000
FOUS51 KLWX 232331
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
731 PM EDT THU MAY 23 2013
VAZ054-240900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 67 48 70 49
TEMP 74 69 67 65 64 66 67 66 60 55 52 50 55 64 68 68 62 56 53 51 56
DEWPT 67 64 61 57 53 50 47 43 40 40 40 39 40 38 37 39 39 39 40 41 42
RH 79 84 81 75 67 56 49 43 47 57 63 66 57 38 32 34 43 53 61 68 59
WIND DIR S S NW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 9 4 9 13 18 20 18 18 17 16 14 16 19 19 18 16 14 16 17 17
WIND GUST 31 33 29
CLOUDS OV OV B2 B2 OV OV B2 B2 B1 B1 SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 70 30 30 5 5
QPF 12HR 0.10 0.05 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C C C C
TSTMS C C
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 51 75 54 79 59 83 65 87
TEMP 69 64 55 58 73 68 59 62 77 72 63 66 81 77 69 72 85 79
DEWPT 39 45 42 44 45 51 49 51 51 56 56 58 59 62 61 62 63 65
PWIND DIR NW NW W NW NW SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
MDZ013-240900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 62 66 46 69 46
TEMP 74 69 66 64 63 65 66 65 59 53 50 48 53 62 67 67 61 55 51 49 53
DEWPT 66 63 61 58 54 50 48 46 42 42 41 40 40 39 37 38 38 38 40 40 41
RH 76 81 84 81 72 58 52 50 53 66 71 74 61 43 33 34 42 53 66 71 64
WIND DIR S S W W NW NW NW N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 6 6 4 9 12 18 18 18 18 17 17 17 17 20 20 18 17 16 14 14 13
WIND GUST 29 31 29
CLOUDS OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC
POP 12HR 70 40 40 20 5
QPF 12HR 0.11 0.08 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C C C C S
TSTMS C C
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 50 74 53 78 58 82 64 85
TEMP 68 63 54 57 72 67 58 61 76 71 62 65 80 76 68 71 83 78
DEWPT 39 45 42 44 45 50 48 50 50 55 54 57 58 61 60 62 64 65
PWIND DIR NW NW W NW W SW S S SW
WIND CHAR GN LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
MDZ011-240900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 68 51 69 53
TEMP 76 71 69 67 67 68 68 68 62 57 55 53 56 64 67 67 65 60 57 55 58
DEWPT 65 63 60 56 53 49 47 46 43 40 40 39 39 37 36 36 37 38 39 40 41
RH 69 76 73 68 61 51 47 45 50 53 57 59 53 37 32 32 35 44 51 57 53
WIND DIR S S W W NW NW NW N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 6 6 4 9 12 18 19 18 18 17 18 17 17 20 20 18 18 16 16 16 16
WIND GUST 29 32 29
CLOUDS OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC
POP 12HR 70 40 40 20 10
QPF 12HR 0.13 0.08 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C C C C S
TSTMS C C
OBVIS PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 52 74 54 78 59 82 65 85
TEMP 69 64 56 59 72 67 58 61 76 71 63 66 80 76 69 71 83 78
DEWPT 39 45 42 44 45 50 48 51 50 56 55 57 59 62 61 62 64 66
PWIND DIR NW NW W NW NW SW S S SW
WIND CHAR GN LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
WVZ052-240900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 63 42 68 41
TEMP 72 65 61 58 58 61 62 61 56 50 47 44 50 61 66 66 59 51 47 44 50
DEWPT 61 58 54 51 47 44 42 39 37 35 35 34 36 35 35 37 38 39 40 40 40
RH 68 78 78 77 67 53 48 44 49 56 63 68 58 38 32 34 45 63 76 86 68
WIND DIR SW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 5 5 13 14 17 19 18 17 14 14 13 14 18 19 19 14 14 16 18 18
WIND GUST 29 32 29
CLOUDS OV B2 OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 80 30 20 5 5
QPF 12HR 0.15 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C C C C C C C S S
TSTMS C
OBVIS PF PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 47 75 50 79 57 83 63 86
TEMP 68 62 52 56 73 66 55 59 77 71 62 65 81 76 67 70 84 78
DEWPT 39 45 40 43 45 51 47 50 51 58 54 57 59 62 59 62 65 65
PWIND DIR NW NW NW NW NW S SW S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 0 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
VAZ042-240900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 60 64 44 68 43
TEMP 73 67 64 62 61 63 63 62 57 51 48 46 51 61 66 66 60 53 49 46 52
DEWPT 63 61 59 55 51 47 44 43 39 38 38 37 38 36 36 38 38 38 40 40 41
RH 71 81 84 78 70 56 50 50 51 61 68 71 61 39 33 36 44 57 71 79 66
WIND DIR S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 5 4 11 16 18 18 19 19 17 17 14 17 21 19 19 14 13 14 16 16
WIND GUST 29 31 31
CLOUDS OV B2 B2 B2 OV OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 80 30 20 5 5
QPF 12HR 0.10 0.04 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D C C C C C C C S S S S
TSTMS C
OBVIS PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 48 75 52 79 58 83 64 86
TEMP 69 63 53 56 73 67 57 60 77 72 63 66 81 76 68 71 84 78
DEWPT 39 45 41 44 45 50 48 51 51 56 55 58 59 62 60 62 64 65
PWIND DIR NW NW W NW NW S SW S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
VAZ037-240900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 59 67 44 69 44
TEMP 73 67 63 61 61 65 67 66 59 53 49 47 52 62 67 67 60 53 49 47 52
DEWPT 63 61 57 53 50 45 43 39 37 35 37 35 37 35 35 37 38 40 41 41 41
RH 71 81 81 75 67 48 42 37 44 50 63 63 56 36 30 33 44 61 74 79 66
WIND DIR S W W NW NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 3 5 1 10 12 16 17 16 13 11 11 9 11 14 16 14 11 10 12 13 13
WIND GUST 28 28 26
CLOUDS B2 B2 B2 B2 B2 B2 B1 B2 SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 70 10 5 0 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C S
TSTMS C
OBVIS PF PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 48 75 53 79 59 82 64 86
TEMP 68 62 53 56 73 67 58 61 77 72 63 66 80 76 68 71 84 78
DEWPT 40 47 42 44 45 52 49 52 52 58 55 58 59 62 59 61 63 64
PWIND DIR NW NW W NW SW S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 5 10 10 20 20 30 20 30
RAIN SHWRS S S S S C C S S C C
$$
MDZ003-240900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
731 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 61 44 67 43
TEMP 70 64 60 58 57 59 61 60 55 50 48 46 51 60 65 65 59 52 48 46 51
DEWPT 63 60 54 51 48 44 41 39 37 38 35 34 35 34 34 36 36 37 38 39 39
RH 78 87 81 77 72 57 48 46 51 63 60 63 54 37 31 34 42 56 68 76 63
WIND DIR SW W W NW NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 4 5 12 16 18 20 19 18 17 16 14 17 19 21 19 14 13 14 17 17
WIND GUST 29 34 31
CLOUDS OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 80 40 20 5 5
QPF 12HR 0.19 0.06 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L C C C C C C S S S S
TSTMS C
OBVIS PF PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 48 74 51 78 57 82 63 85
TEMP 67 62 53 56 72 66 56 59 76 71 62 65 80 75 67 70 83 77
DEWPT 37 44 40 42 43 49 45 49 49 56 53 56 58 61 59 61 63 65
PWIND DIR NW NW NW NW NW SW SW S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
000
FOUS51 KLWX 232237
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
637 PM EDT THU MAY 23 2013
VAZ054-240900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 67 48 70 49
TEMP 74 69 67 65 64 66 67 66 60 55 52 50 55 64 68 68 62 56 53 51 56
DEWPT 67 64 61 57 53 50 47 43 40 40 40 39 40 38 37 39 39 39 40 41 42
RH 79 84 81 75 67 56 49 43 47 57 63 66 57 38 32 34 43 53 61 68 59
WIND DIR S S NW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 9 4 9 13 18 20 18 18 17 16 14 16 19 19 18 16 14 16 17 17
WIND GUST 31 33 29
CLOUDS OV OV B2 B2 OV OV B2 B2 B1 B1 SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 70 30 30 5 5
QPF 12HR 0.10 0.07 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C C C C
TSTMS C C
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 51 75 54 79 59 83 65 87
TEMP 69 64 55 58 73 68 59 62 77 72 63 66 81 77 69 72 85 79
DEWPT 39 45 42 44 45 51 49 51 51 56 56 58 59 62 61 62 63 65
PWIND DIR NW NW W NW NW SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
MDZ013-240900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 62 66 46 69 46
TEMP 74 69 66 64 63 65 66 65 59 53 50 48 53 62 67 67 61 55 51 49 53
DEWPT 66 63 61 58 54 50 48 46 42 42 41 40 40 39 37 38 38 38 40 40 41
RH 76 81 84 81 72 58 52 50 53 66 71 74 61 43 33 34 42 53 66 71 64
WIND DIR S S W W NW NW NW N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 6 6 4 9 12 18 18 18 18 17 17 17 17 20 20 18 17 16 14 14 13
WIND GUST 29 31 29
CLOUDS OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC
POP 12HR 70 40 40 20 5
QPF 12HR 0.11 0.11 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C C C C S
TSTMS C C
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 50 74 53 78 58 82 64 85
TEMP 68 63 54 57 72 67 58 61 76 71 62 65 80 76 68 71 83 78
DEWPT 39 45 42 44 45 50 48 50 50 55 54 57 58 61 60 62 64 65
PWIND DIR NW NW W NW W SW S S SW
WIND CHAR GN LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
MDZ011-240900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 68 51 69 53
TEMP 76 71 69 67 67 68 68 68 62 57 55 53 56 64 67 67 65 60 57 55 58
DEWPT 65 63 60 56 53 49 47 46 43 40 40 39 39 37 36 36 37 38 39 40 41
RH 69 76 73 68 61 51 47 45 50 53 57 59 53 37 32 32 35 44 51 57 53
WIND DIR S S W W NW NW NW N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 6 6 4 9 12 18 19 18 18 17 18 17 17 20 20 18 18 16 16 16 16
WIND GUST 29 32 29
CLOUDS OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC
POP 12HR 70 40 40 20 10
QPF 12HR 0.13 0.11 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C C C C S
TSTMS C C
OBVIS PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 52 74 54 78 59 82 65 85
TEMP 69 64 56 59 72 67 58 61 76 71 63 66 80 76 69 71 83 78
DEWPT 39 45 42 44 45 50 48 51 50 56 55 57 59 62 61 62 64 66
PWIND DIR NW NW W NW NW SW S S SW
WIND CHAR GN LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
WVZ052-240900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 63 42 68 41
TEMP 72 65 61 58 58 61 62 61 56 50 47 44 50 61 66 66 59 51 47 44 50
DEWPT 61 58 54 51 47 44 42 39 37 35 35 34 36 35 35 37 38 39 40 40 40
RH 68 78 78 77 67 53 48 44 49 56 63 68 58 38 32 34 45 63 76 86 68
WIND DIR SW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 5 5 13 14 17 19 18 17 14 14 13 14 18 19 19 14 14 16 18 18
WIND GUST 29 32 29
CLOUDS OV B2 OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 70 30 20 5 5
QPF 12HR 0.15 0.09 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C C C C C S S
TSTMS C
OBVIS PF PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 47 75 50 79 57 83 63 86
TEMP 68 62 52 56 73 66 55 59 77 71 62 65 81 76 67 70 84 78
DEWPT 39 45 40 43 45 51 47 50 51 58 54 57 59 62 59 62 65 65
PWIND DIR NW NW NW NW NW S SW S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 0 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
VAZ042-240900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 60 64 44 68 43
TEMP 73 67 64 62 61 63 63 62 57 51 48 46 51 61 66 66 60 53 49 46 52
DEWPT 63 61 59 55 51 47 44 43 39 38 38 37 38 36 36 38 38 38 40 40 41
RH 71 81 84 78 70 56 50 50 51 61 68 71 61 39 33 36 44 57 71 79 66
WIND DIR S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 5 4 11 16 18 18 19 19 17 17 14 17 21 19 19 14 13 14 16 16
WIND GUST 29 31 31
CLOUDS OV B2 B2 B2 OV OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 70 30 20 5 5
QPF 12HR 0.10 0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C C C C C S S S S
TSTMS C
OBVIS PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 48 75 52 79 58 83 64 86
TEMP 69 63 53 56 73 67 57 60 77 72 63 66 81 76 68 71 84 78
DEWPT 39 45 41 44 45 50 48 51 51 56 55 58 59 62 60 62 64 65
PWIND DIR NW NW W NW NW S SW S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
VAZ037-240900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 59 67 44 69 44
TEMP 73 67 63 61 61 65 67 66 59 53 49 47 52 62 67 67 60 53 49 47 52
DEWPT 63 61 57 53 50 45 43 39 37 35 37 35 37 35 35 37 38 40 41 41 41
RH 71 81 81 75 67 48 42 37 44 50 63 63 56 36 30 33 44 61 74 79 66
WIND DIR S W W NW NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 3 5 1 10 12 16 17 16 13 11 11 9 11 14 16 14 11 10 12 13 13
WIND GUST 28 28 26
CLOUDS B2 B2 B2 B2 B2 B2 B1 B2 SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 70 10 5 0 0
QPF 12HR 0.04 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C S
TSTMS C
OBVIS PF PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 48 75 53 79 59 82 64 86
TEMP 68 62 53 56 73 67 58 61 77 72 63 66 80 76 68 71 84 78
DEWPT 40 47 42 44 45 52 49 52 52 58 55 58 59 62 59 61 63 64
PWIND DIR NW NW W NW SW S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 5 10 10 20 20 30 20 30
RAIN SHWRS S S S S C C S S C C
$$
MDZ003-240900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
637 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 61 44 67 43
TEMP 70 64 60 58 57 59 61 60 55 50 48 46 51 60 65 65 59 52 48 46 51
DEWPT 63 60 54 51 48 44 41 39 37 38 35 34 35 34 34 36 36 37 38 39 39
RH 78 87 81 77 72 57 48 46 51 63 60 63 54 37 31 34 42 56 68 76 63
WIND DIR SW W W NW NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 4 5 12 16 18 20 19 18 17 16 14 17 19 21 19 14 13 14 17 17
WIND GUST 29 34 31
CLOUDS OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 70 40 20 5 5
QPF 12HR 0.19 0.09 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C S S S S
TSTMS C
OBVIS PF PF
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 48 74 51 78 57 82 63 85
TEMP 67 62 53 56 72 66 56 59 76 71 62 65 80 75 67 70 83 77
DEWPT 37 44 40 42 43 49 45 49 49 56 53 56 58 61 59 61 63 65
PWIND DIR NW NW NW NW NW SW SW S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
000
FOUS51 KLWX 232032
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
431 PM EDT THU MAY 23 2013
VAZ054-240900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 67 48 70 49
TEMP 80 74 69 67 65 64 66 67 66 60 55 52 50 55 64 68 68 62 56 53 51 56
DEWPT 67 67 64 61 57 53 50 47 43 40 40 40 39 40 38 37 39 39 39 40 41 42
RH 65 79 84 81 75 67 56 49 43 47 57 63 66 57 38 32 34 43 53 61 68 59
WIND DIR S S S NW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 13 8 9 4 9 13 18 20 18 18 17 16 14 16 19 19 18 16 14 16 17 17
WIND GUST 31 33 29
CLOUDS OV OV OV OV B2 OV OV B2 B2 B1 B1 SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 70 30 30 5 5
QPF 12HR 0.10 0.07 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L C C C C C C C C C C C
TSTMS D L
HEAT INDEX 82
MAX HEAT 82
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 51 75 54 79 59 83 65 87
TEMP 69 64 55 58 73 68 59 62 77 72 63 66 81 77 69 72 85 79
DEWPT 39 45 42 44 45 51 49 51 51 56 56 58 59 62 61 62 63 65
PWIND DIR NW NW W NW NW SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
MDZ013-240900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 62 66 46 69 46
TEMP 79 74 69 66 64 63 65 66 65 59 53 50 48 53 62 67 67 61 55 51 49 53
DEWPT 66 66 63 61 58 54 50 48 46 42 42 41 40 40 39 37 38 38 38 40 40 41
RH 64 76 81 84 81 72 58 52 50 53 66 71 74 61 43 33 34 42 53 66 71 64
WIND DIR S S S W W NW NW NW N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 10 6 6 4 9 12 18 18 18 18 17 17 17 17 20 20 18 17 16 14 14 13
WIND GUST 29 31 29
CLOUDS OV OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC
POP 12HR 70 40 40 20 5
QPF 12HR 0.11 0.11 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L L L C C C C C C C C C S
TSTMS D L
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 50 74 53 78 58 82 64 85
TEMP 68 63 54 57 72 67 58 61 76 71 62 65 80 76 68 71 83 78
DEWPT 39 45 42 44 45 50 48 50 50 55 54 57 58 61 60 62 64 65
PWIND DIR NW NW W NW W SW S S SW
WIND CHAR GN LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
MDZ011-240900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 68 51 69 53
TEMP 81 76 71 69 67 67 68 68 68 62 57 55 53 56 64 67 67 65 60 57 55 58
DEWPT 66 65 63 60 56 53 49 47 46 43 40 40 39 39 37 36 36 37 38 39 40 41
RH 60 69 76 73 68 61 51 47 45 50 53 57 59 53 37 32 32 35 44 51 57 53
WIND DIR S S S W W NW NW NW N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 10 6 6 4 9 12 18 19 18 18 17 18 17 17 20 20 18 18 16 16 16 16
WIND GUST 29 32 29
CLOUDS OV OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC
POP 12HR 70 40 40 20 10
QPF 12HR 0.13 0.11 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L L L C C C C C C C C C S
TSTMS D L
HEAT INDEX 83
MAX HEAT 83
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 52 74 54 78 59 82 65 85
TEMP 69 64 56 59 72 67 58 61 76 71 63 66 80 76 69 71 83 78
DEWPT 39 45 42 44 45 50 48 51 50 56 55 57 59 62 61 62 64 66
PWIND DIR NW NW W NW NW SW S S SW
WIND CHAR GN LT GN LT LT LT LT LT GN
AVG CLOUDS SC SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
WVZ052-240900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 63 42 68 41
TEMP 77 72 65 61 58 58 61 62 61 56 50 47 44 50 61 66 66 59 51 47 44 50
DEWPT 62 61 58 54 51 47 44 42 39 37 35 35 34 36 35 35 37 38 39 40 40 40
RH 60 68 78 78 77 67 53 48 44 49 56 63 68 58 38 32 34 45 63 76 86 68
WIND DIR S SW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 9 5 5 5 13 14 17 19 18 17 14 14 13 14 18 19 19 14 14 16 18 18
WIND GUST 29 32 29
CLOUDS B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 60 30 20 5 5
QPF 12HR 0.15 0.09 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C S S
TSTMS L
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 47 75 50 79 57 83 63 86
TEMP 68 62 52 56 73 66 55 59 77 71 62 65 81 76 67 70 84 78
DEWPT 39 45 40 43 45 51 47 50 51 58 54 57 59 62 59 62 65 65
PWIND DIR NW NW NW NW NW S SW S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 0 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
VAZ042-240900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 60 64 44 68 43
TEMP 78 73 67 64 62 61 63 63 62 57 51 48 46 51 61 66 66 60 53 49 46 52
DEWPT 64 63 61 59 55 51 47 44 43 39 38 38 37 38 36 36 38 38 38 40 40 41
RH 62 71 81 84 78 70 56 50 50 51 61 68 71 61 39 33 36 44 57 71 79 66
WIND DIR S S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 9 5 5 4 11 16 18 18 19 19 17 17 14 17 21 19 19 14 13 14 16 16
WIND GUST 29 31 31
CLOUDS B2 OV OV B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 70 30 20 5 5
QPF 12HR 0.10 0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C S S S S
TSTMS L C
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 48 75 52 79 58 83 64 86
TEMP 69 63 53 56 73 67 57 60 77 72 63 66 81 76 68 71 84 78
DEWPT 39 45 41 44 45 50 48 51 51 56 55 58 59 62 60 62 64 65
PWIND DIR NW NW W NW NW S SW S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
VAZ037-240900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 59 67 44 69 44
TEMP 78 73 67 63 61 61 65 67 66 59 53 49 47 52 62 67 67 60 53 49 47 52
DEWPT 64 63 61 57 53 50 45 43 39 37 35 37 35 37 35 35 37 38 40 41 41 41
RH 62 71 81 81 75 67 48 42 37 44 50 63 63 56 36 30 33 44 61 74 79 66
WIND DIR S S W W NW NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 3 5 1 10 12 16 17 16 13 11 11 9 11 14 16 14 11 10 12 13 13
WIND GUST 28 28 26
CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B2 SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 50 10 5 0 0
QPF 12HR 0.04 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C S
TSTMS L C
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 48 75 53 79 59 82 64 86
TEMP 68 62 53 56 73 67 58 61 77 72 63 66 80 76 68 71 84 78
DEWPT 40 47 42 44 45 52 49 52 52 58 55 58 59 62 59 61 63 64
PWIND DIR NW NW W NW SW S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 5 10 10 20 20 30 20 30
RAIN SHWRS S S S S C C S S C C
$$
MDZ003-240900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
431 PM EDT THU MAY 23 2013
DATE 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 55 61 44 67 43
TEMP 76 70 64 60 58 57 59 61 60 55 50 48 46 51 60 65 65 59 52 48 46 51
DEWPT 63 63 60 54 51 48 44 41 39 37 38 35 34 35 34 34 36 36 37 38 39 39
RH 64 78 87 81 77 72 57 48 46 51 63 60 63 54 37 31 34 42 56 68 76 63
WIND DIR S SW W W NW NW NW N N NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 9 5 4 5 12 16 18 20 19 18 17 16 14 17 19 21 19 14 13 14 17 17
WIND GUST 29 34 31
CLOUDS B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW SC SC SC SC SC
POP 12HR 60 40 20 5 5
QPF 12HR 0.19 0.09 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C C C C C C S S S S
TSTMS L
DATE 05/26 MON 05/27/13 TUE 05/28/13 WED 05/29/13 THU 05/30/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 48 74 51 78 57 82 63 85
TEMP 67 62 53 56 72 66 56 59 76 71 62 65 80 75 67 70 83 77
DEWPT 37 44 40 42 43 49 45 49 49 56 53 56 58 61 59 61 63 65
PWIND DIR NW NW NW NW NW SW SW S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 B1
POP 12HR 5 5 5 5 10 20 20 20 30
RAIN SHWRS S S S S S S C C
$$
000
FOUS51 KLWX 231732
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 PM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 81 63 67 48 70
TEMP 80 80 74 69 67 65 64 66 67 66 60 55 52 50 55 64 68 68 62
DEWPT 67 67 67 64 61 57 53 50 47 43 40 40 40 39 40 38 37 39 39
RH 65 65 79 84 81 75 67 56 49 43 47 57 63 66 57 38 32 34 43
WIND DIR S S S S NW W NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 13 13 8 9 4 9 13 18 20 18 18 17 16 14 16 19 19 18 16
WIND GUST 31 33 29
CLOUDS OV OV OV OV OV B2 OV OV B2 B2 B1 B1 SC SC SC SC SC FW SC
POP 12HR 80 70 30 30 5
QPF 12HR 0.49 0.13 0.07 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D L C C C C C C C C C C C
TSTMS C D L
HEAT INDEX 82 82
MAX HEAT 82 82
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 71 51 75 54 79 59 83
TEMP 53 56 69 65 57 59 72 68 61 63 75 71 64 68 82 78
DEWPT 40 42 39 45 42 44 45 51 49 51 51 56 56 58 59 62
PWIND DIR NW NW NW W NW NW SE S
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW FW FW FW SC SC SC SC B1
POP 12HR 5 5 5 5 10 10 20 20
RAIN SHWRS S S S S
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 62 66 46 69
TEMP 79 79 74 69 66 64 63 65 66 65 59 53 50 48 53 62 67 67 61
DEWPT 66 66 66 63 61 58 54 50 48 46 42 42 41 40 40 39 37 38 38
RH 64 64 76 81 84 81 72 58 52 50 53 66 71 74 61 43 33 34 42
WIND DIR S S S S W W NW NW NW N NW NW NW NW NW NW NW NW NW
WIND SPD 10 10 6 6 4 9 12 18 18 18 18 17 17 17 17 20 20 18 17
WIND GUST 29 31 29
CLOUDS OV OV OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 70 40 40 20
QPF 12HR 0.53 0.19 0.11 0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D L L L C C C C C C C C C S
TSTMS C D L
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 70 50 74 53 78 58 82
TEMP 51 53 68 63 54 56 71 66 57 59 74 70 63 66 80 76
DEWPT 40 41 39 45 42 44 45 50 48 50 50 55 54 57 58 61
PWIND DIR NW NW NW W NW W SW S
WIND CHAR BZ GN LT GN LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC FW FW FW FW FW FW SC SC SC SC B1
POP 12HR 5 5 5 5 5 10 20 20
RAIN SHWRS S S S S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 82 66 68 51 69
TEMP 81 81 76 71 69 67 67 68 68 68 62 57 55 53 56 64 67 67 65
DEWPT 66 66 65 63 60 56 53 49 47 46 43 40 40 39 39 37 36 36 37
RH 60 60 69 76 73 68 61 51 47 45 50 53 57 59 53 37 32 32 35
WIND DIR S S S S W W NW NW NW N NW NW NW NW NW NW NW NW NW
WIND SPD 10 10 6 6 4 9 12 18 19 18 18 17 18 17 17 20 20 18 18
WIND GUST 29 32 29
CLOUDS OV OV OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 70 40 40 20
QPF 12HR 0.55 0.19 0.11 0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D L L L C C C C C C C C C S
TSTMS C D L
HEAT INDEX 83 83
MAX HEAT 83 83
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 70 52 74 54 78 59 82
TEMP 57 58 69 65 58 61 72 69 62 65 76 73 66 69 80 78
DEWPT 39 41 39 45 42 44 45 50 48 51 50 56 55 57 59 62
PWIND DIR NW NW NW W NW NW SW S
WIND CHAR BZ GN LT GN LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC FW FW FW FW FW FW SC SC SC SC B1
POP 12HR 10 5 5 5 5 10 20 20
RAIN SHWRS S S S S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 55 63 42 68
TEMP 78 77 72 65 61 58 58 61 62 61 56 50 47 44 50 61 66 66 59
DEWPT 63 62 61 58 54 51 47 44 42 39 37 35 35 34 36 35 35 37 38
RH 60 60 68 78 78 77 67 53 48 44 49 56 63 68 58 38 32 34 45
WIND DIR S S SW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 6 9 5 5 5 13 14 17 19 18 17 14 14 13 14 18 19 19 14
WIND GUST 29 32 29
CLOUDS B2 B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW
POP 12HR 60 60 30 20 5
QPF 12HR 0.27 0.05 0.09 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L C C C C C C C S S
TSTMS C L
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 70 47 75 50 79 57 83
TEMP 47 50 68 61 50 54 72 66 55 58 75 70 62 66 82 77
DEWPT 40 40 39 45 40 43 45 51 47 50 51 58 54 57 59 62
PWIND DIR NW NW NW NW NW NW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW CL FW FW FW FW FW SC SC SC SC B1
POP 12HR 5 0 0 5 5 10 20 20
RAIN SHWRS S S S S
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 44 68
TEMP 79 78 73 67 64 62 61 63 63 62 57 51 48 46 51 61 66 66 60
DEWPT 65 64 63 61 59 55 51 47 44 43 39 38 38 37 38 36 36 38 38
RH 62 62 71 81 84 78 70 56 50 50 51 61 68 71 61 39 33 36 44
WIND DIR S S S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 9 9 5 5 4 11 16 18 18 19 19 17 17 14 17 21 19 19 14
WIND GUST 29 31 31
CLOUDS OV B2 OV OV B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW
POP 12HR 70 70 30 20 5
QPF 12HR 0.42 0.07 0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L C C C C C C C S S S S
TSTMS C L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 71 48 75 52 79 58 83
TEMP 49 52 69 63 52 55 72 66 56 59 75 71 63 67 82 77
DEWPT 40 41 39 45 41 44 45 50 48 51 51 56 55 58 59 62
PWIND DIR NW NW NW W NW NW S SW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW FW FW FW SC SC SC SC B1
POP 12HR 5 5 5 5 10 10 20 20
RAIN SHWRS S S S S
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 59 67 44 69
TEMP 79 78 73 67 63 61 61 65 67 66 59 53 49 47 52 62 67 67 60
DEWPT 66 64 63 61 57 53 50 45 43 39 37 35 37 35 37 35 35 37 38
RH 64 62 71 81 81 75 67 48 42 37 44 50 63 63 56 36 30 33 44
WIND DIR S S S W W NW NW NW N N NW NW NW NW NW NW NW NW NW
WIND SPD 8 8 3 5 1 10 12 16 17 16 13 11 11 9 11 14 16 14 11
WIND GUST 28 28 26
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 SC FW FW FW FW FW FW FW FW
POP 12HR 60 50 10 5 0
QPF 12HR 0.30 0.01 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L C C C S
TSTMS C L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 70 48 75 53 79 59 82
TEMP 49 52 68 62 51 55 72 66 57 60 75 71 64 67 81 76
DEWPT 41 41 40 47 42 44 45 52 49 52 52 58 55 58 59 62
PWIND DIR NW NW NW W NW SW S SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC B1
POP 12HR 0 0 5 10 10 20 20 30
RAIN SHWRS S S S S C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
132 PM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 55 61 44 67
TEMP 77 76 70 64 60 58 57 59 61 60 55 50 48 46 51 60 65 65 59
DEWPT 64 63 63 60 54 51 48 44 41 39 37 38 35 34 35 34 34 36 36
RH 64 64 78 87 81 77 72 57 48 46 51 63 60 63 54 37 31 34 42
WIND DIR SW S SW W W NW NW NW N N NW NW NW NW NW NW NW NW NW
WIND SPD 8 9 5 4 5 12 16 18 20 19 18 17 16 14 17 19 21 19 14
WIND GUST 29 34 31
CLOUDS B2 B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW SC
POP 12HR 70 60 40 20 5
QPF 12HR 0.32 0.07 0.09 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L C C C C C C C S S S S
TSTMS C L
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 69 48 74 51 78 57 82
TEMP 48 51 67 61 51 54 70 65 56 59 74 70 63 66 81 76
DEWPT 38 39 37 44 40 42 43 49 45 49 49 56 53 56 58 61
PWIND DIR NW NW NW NW NW NW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW FW FW FW SC SC SC SC B1
POP 12HR 5 5 5 5 5 10 20 20
RAIN SHWRS S S S S
$$
000
FOUS51 KLWX 231432
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1031 AM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 63 67 50 69
TEMP 78 80 79 74 69 67 65 64 66 67 66 61 56 54 52 56 64 67 67 62
DEWPT 68 67 67 67 64 61 57 53 50 47 43 40 40 38 39 41 41 39 39 40
RH 71 65 67 79 84 81 75 67 56 49 43 46 55 54 61 57 43 36 36 44
WIND DIR S S S S S NW W NW NW NW NW N N NW NW NW NW NW NW NW
WIND SPD 10 13 13 8 9 4 9 14 19 21 19 17 14 16 17 16 21 21 20 16
CLOUDS OV OV OV OV OV OV B2 OV OV B2 B2 B1 B1 SC SC SC SC SC FW SC
POP 12HR 70 60 30 30 5
QPF 12HR 0.56 0.13 0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L C C C C C C C C C S S
TSTMS C L C
HEAT INDEX 82
MAX HEAT 82 82
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 71 53 74 57 77 61 84
TEMP 53 56 69 65 57 59 72 68 61 63 75 71 64 68 82 78
DEWPT 40 42 39 45 44 47 48 53 52 55 56 58 58 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 62 66 45 69
TEMP 76 79 79 74 69 66 64 63 65 66 65 57 52 49 47 52 62 67 67 61
DEWPT 67 66 66 66 63 61 58 54 50 48 46 42 40 38 40 39 39 39 39 39
RH 74 64 64 76 81 84 81 72 58 52 50 57 63 66 76 61 43 36 36 44
WIND DIR S S S S S W W NW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 9 10 10 6 6 4 9 13 19 19 19 14 13 13 14 13 20 20 19 17
CLOUDS OV OV OV OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 60 40 30 10
QPF 12HR 0.60 0.19 0.09 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C D L L L C C C C C C C C C
TSTMS C D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 70 49 73 52 76 59 82
TEMP 51 53 68 63 54 56 71 66 57 59 74 70 63 66 80 76
DEWPT 40 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 81 66 68 53 71
TEMP 79 80 80 76 71 69 67 67 68 68 68 63 59 56 55 59 66 70 70 65
DEWPT 67 66 66 65 63 60 56 53 49 47 46 43 40 38 39 39 39 39 39 39
RH 67 62 62 69 76 73 68 61 51 47 45 48 49 51 55 47 37 32 32 38
WIND DIR S S S S S W W NW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 9 10 10 6 6 4 9 13 19 20 19 19 16 17 17 16 23 23 21 18
CLOUDS OV OV OV OV OV OV B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 70 40 30 10
QPF 12HR 0.62 0.19 0.09 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L D L L L C C C C C C C C C
TSTMS L D C
HEAT INDEX 82 82
MAX HEAT 82 82
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 70 55 74 59 78 63 82
TEMP 57 58 69 65 58 61 72 69 62 65 76 73 66 69 80 78
DEWPT 39 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W W SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 B1 B1 B1
POP 12HR 10 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 55 63 41 69
TEMP 75 79 79 72 65 61 58 58 61 62 61 55 49 46 43 50 61 67 67 59
DEWPT 65 63 62 61 58 54 51 47 44 42 39 37 39 34 36 37 38 38 39 40
RH 71 58 56 68 78 78 77 67 53 48 44 51 68 63 76 61 42 34 36 49
WIND DIR S S S SW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 6 9 5 5 5 13 16 18 20 19 18 17 14 16 14 18 20 18 14
CLOUDS OV B2 B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW
POP 12HR 60 60 30 20 5
QPF 12HR 0.41 0.05 0.08 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L L C C C C C C C S S
TSTMS L L
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 70 45 74 50 77 58 84
TEMP 47 50 68 61 50 54 72 66 55 58 75 70 62 66 82 77
DEWPT 40 40 39 45 42 45 48 53 50 53 57 59 56 59 63 63
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 0 5 10 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 43 69
TEMP 76 79 79 73 67 64 62 61 63 63 62 57 51 48 45 51 62 67 67 60
DEWPT 66 65 64 63 61 59 55 51 47 44 43 39 39 37 37 39 40 39 39 39
RH 71 62 60 71 81 84 78 70 56 50 50 51 63 65 73 63 44 36 36 46
WIND DIR S S S S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 9 9 5 5 4 11 17 19 19 20 14 16 13 14 14 18 20 19 14
CLOUDS OV OV B2 OV OV B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC FW FW
POP 12HR 70 60 30 20 5
QPF 12HR 0.53 0.07 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L L C C C C C C C S S S S
TSTMS L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 71 47 74 51 77 59 84
TEMP 49 52 69 63 52 55 72 66 56 59 75 71 63 67 82 77
DEWPT 40 41 39 45 43 46 48 53 52 55 56 58 57 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 59 67 42 69
TEMP 76 79 79 73 67 63 61 61 65 67 66 58 51 47 45 50 61 67 67 60
DEWPT 65 66 64 63 61 57 53 50 45 43 39 37 36 35 36 37 38 40 40 40
RH 69 64 60 71 81 81 75 67 48 42 37 45 56 63 70 61 42 37 37 47
WIND DIR S S S S W W NW NW NW N N N NW NW NW NW N NW NW NW
WIND SPD 5 8 8 3 5 1 10 13 17 18 17 14 13 11 12 11 17 17 14 11
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 SC FW FW FW FW FW FW FW FW
POP 12HR 60 50 10 5 0
QPF 12HR 0.44 0.01 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L C C C S
TSTMS C L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 70 46 74 52 77 60 83
TEMP 49 52 68 62 51 55 72 66 57 60 75 71 64 67 81 76
DEWPT 41 41 40 47 44 47 51 54 52 55 57 59 58 60 62 63
PWIND DIR NW NW NW W SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC B1 B1 B1 SC SC B1
POP 12HR 0 0 5 10 20 30 20 40
RAIN SHWRS S S C C S S C C
TSTMS C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1031 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 55 61 41 67
TEMP 75 78 77 70 64 60 58 57 59 61 60 55 49 46 43 49 60 65 65 59
DEWPT 65 64 63 63 60 54 51 48 44 41 39 37 36 32 33 35 36 37 37 38
RH 71 62 62 78 87 81 77 72 57 48 46 51 61 58 67 58 41 35 35 45
WIND DIR S SW S SW W W NW NW NW N N N NW NW NW NW NW NW NW NW
WIND SPD 6 8 9 5 4 5 12 17 19 21 20 16 13 11 11 13 19 21 19 14
CLOUDS OV B2 B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC FW SC
POP 12HR 70 60 40 30 5
QPF 12HR 0.46 0.07 0.08 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L L C C C C C C C C C S S
TSTMS L L
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 69 46 72 51 76 59 83
TEMP 48 51 67 61 51 54 70 65 56 59 74 70 63 66 81 76
DEWPT 38 39 37 44 40 44 46 51 49 52 55 57 55 59 61 62
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
000
FOUS51 KLWX 231132
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
732 AM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 63 67 50 69
TEMP 74 77 79 79 74 69 67 65 64 66 67 66 61 56 54 52 56 64 67 67 62
DEWPT 67 67 67 67 66 65 63 60 55 52 48 44 44 40 38 39 41 41 39 39 40
RH 79 71 67 67 76 87 87 84 73 61 50 45 53 55 54 61 57 43 36 36 44
WIND DIR S S S S SW SW W NW NW NW NW NW N N NW NW NW NW NW NW NW
WIND SPD 10 12 11 11 6 4 4 6 19 18 21 20 17 14 16 17 16 21 21 20 16
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC
POP 12HR 80 70 50 30 5
QPF 12HR 0.55 0.11 0.07 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L D L C C C C C C C C C S S
TSTMS L D L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 71 53 74 57 77 61 84
TEMP 53 56 69 65 57 59 72 68 61 63 75 71 64 68 82 78
DEWPT 40 42 39 45 44 47 48 53 52 55 56 58 58 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 61 64 45 69
TEMP 71 76 79 79 73 68 65 63 62 63 64 63 57 52 49 47 52 62 67 67 61
DEWPT 67 67 67 67 66 65 62 60 55 52 48 47 44 40 38 40 39 39 39 39 39
RH 87 74 67 67 79 90 90 90 78 67 56 56 62 63 66 76 61 43 36 36 44
WIND DIR S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 11 12 11 11 6 4 5 6 14 16 18 18 14 13 13 14 13 20 20 19 17
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.60 0.15 0.10 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L D D L C C C C C C C C C C
TSTMS L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 70 49 73 52 76 59 82
TEMP 51 53 68 63 54 56 71 66 57 59 74 70 63 66 80 76
DEWPT 40 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 65 68 53 71
TEMP 75 78 79 78 74 70 68 67 66 67 68 67 63 59 56 55 59 66 70 70 65
DEWPT 67 68 67 67 66 65 62 60 56 51 48 46 44 40 38 39 39 39 39 39 39
RH 76 71 67 69 76 84 81 78 70 56 49 47 50 49 51 55 47 37 32 32 38
WIND DIR S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 11 12 11 11 6 4 5 6 18 18 21 21 19 16 17 17 16 23 23 21 18
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.63 0.16 0.10 0.14 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L D D L C C C C C C C C C C
TSTMS L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 70 55 74 59 78 63 82
TEMP 57 58 69 65 58 61 72 69 62 65 76 73 66 69 80 78
DEWPT 39 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W W SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 B1 B1 B1
POP 12HR 10 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 52 63 41 69
TEMP 68 74 78 77 70 62 58 55 59 61 63 62 55 49 46 43 50 61 67 67 59
DEWPT 66 66 65 64 63 61 57 55 50 46 44 40 39 39 34 36 37 38 38 39 40
RH 93 76 64 64 78 97 96100 72 58 50 44 55 68 63 76 61 42 34 36 49
WIND DIR S SW S S SW W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 6 9 10 6 5 5 11 19 21 21 21 18 17 14 16 14 18 20 18 14
CLOUDS B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 60 60 50 20 5
QPF 12HR 0.56 0.04 0.08 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C S C C C S S S S
TSTMS L L L C
OBVIS PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 70 45 74 50 77 58 84
TEMP 47 50 68 61 50 54 72 66 55 58 75 70 62 66 82 77
DEWPT 40 40 39 45 42 45 48 53 50 53 57 59 56 59 63 63
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 0 5 10 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 43 69
TEMP 69 76 79 79 73 67 64 62 61 63 64 63 57 51 48 45 51 62 67 67 60
DEWPT 66 67 67 66 65 64 61 57 54 49 48 44 42 39 37 37 39 40 39 39 39
RH 90 74 67 64 76 90 90 84 78 60 56 50 57 63 65 73 63 44 36 36 46
WIND DIR S S S S S SW W NW NW NW NW N NW NW NW NW NW NW NW NW NW
WIND SPD 9 10 9 10 5 4 3 10 19 20 21 16 14 16 13 14 14 18 20 19 14
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 70 60 50 20 5
QPF 12HR 0.56 0.08 0.06 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C C C C C C C S S S S
TSTMS L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 71 47 74 51 77 59 84
TEMP 49 52 69 63 52 55 72 66 56 59 75 71 63 67 82 77
DEWPT 40 41 39 45 43 46 48 53 52 55 56 58 57 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 58 66 42 69
TEMP 70 76 79 78 72 66 63 60 60 64 65 64 58 51 47 45 50 61 67 67 60
DEWPT 66 67 67 66 65 63 61 58 51 47 44 39 37 36 35 36 37 38 40 40 40
RH 87 74 67 67 79 90 93 93 72 54 46 40 45 56 63 70 61 42 37 37 47
WIND DIR S S S S SW SW W W NW NW N NW N NW NW NW NW N NW NW NW
WIND SPD 6 6 8 8 4 3 3 5 14 17 19 17 14 13 11 12 11 17 17 14 11
CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 60 60 40 5 0
QPF 12HR 0.59 0.03 0.03 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C S C C S S
TSTMS L L L C
OBVIS PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 70 46 74 52 77 60 83
TEMP 49 52 68 62 51 55 72 66 57 60 75 71 64 67 81 76
DEWPT 41 41 40 47 44 47 51 54 52 55 57 59 58 60 62 63
PWIND DIR NW NW NW W SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC B1 B1 B1 SC SC B1
POP 12HR 0 0 5 10 20 30 20 40
RAIN SHWRS S S C C S S C C
TSTMS C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
732 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 52 62 41 67
TEMP 70 75 77 76 69 62 58 55 57 60 61 61 55 49 46 43 49 60 65 65 59
DEWPT 65 64 64 64 63 61 57 54 50 45 43 39 38 36 32 33 35 36 37 37 38
RH 84 69 64 66 81 97 96 96 77 58 51 44 53 61 58 67 58 41 35 35 45
WIND DIR S SW S S S SW W NW NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 6 8 8 10 6 4 6 10 18 20 20 18 16 13 11 11 13 19 21 19 14
CLOUDS B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW SC
POP 12HR 60 60 50 20 5
QPF 12HR 0.51 0.07 0.08 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C S C C C C C S S S S
TSTMS L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 69 46 72 51 76 59 83
TEMP 48 51 67 61 51 54 70 65 56 59 74 70 63 66 81 76
DEWPT 38 39 37 44 40 44 46 51 49 52 55 57 55 59 61 62
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
000
FOUS51 KLWX 231002
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
602 AM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 63 67 50 69
TEMP 74 77 79 79 74 69 67 65 64 66 67 66 61 56 54 52 56 64 67 67 62
DEWPT 67 67 67 67 66 65 63 60 55 52 48 44 44 40 38 39 41 41 39 39 40
RH 79 71 67 67 76 87 87 84 73 61 50 45 53 55 54 61 57 43 36 36 44
WIND DIR S S S S SW SW W NW NW NW NW NW N N NW NW NW NW NW NW NW
WIND SPD 10 12 11 11 6 4 4 6 19 18 21 20 17 14 16 17 16 21 21 20 16
CLOUDS OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC
POP 12HR 80 70 50 30 5
QPF 12HR 0.55 0.11 0.07 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L D L C C C C C C C C C S S
TSTMS L L D L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 71 53 74 57 77 61 84
TEMP 53 56 69 65 57 59 72 68 61 63 75 71 64 68 82 78
DEWPT 40 42 39 45 44 47 48 53 52 55 56 58 58 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 61 64 45 69
TEMP 71 76 79 79 73 68 65 63 62 63 64 63 57 52 49 47 52 62 67 67 61
DEWPT 67 67 67 67 66 65 62 60 55 52 48 47 44 40 38 40 39 39 39 39 39
RH 87 74 67 67 79 90 90 90 78 67 56 56 62 63 66 76 61 43 36 36 44
WIND DIR S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 11 12 11 11 6 4 5 6 14 16 18 18 14 13 13 14 13 20 20 19 17
CLOUDS OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.60 0.15 0.10 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L D D L C C C C C C C C C C
TSTMS L L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 70 49 73 52 76 59 82
TEMP 51 53 68 63 54 56 71 66 57 59 74 70 63 66 80 76
DEWPT 40 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 65 68 53 71
TEMP 75 78 79 78 74 70 68 67 66 67 68 67 63 59 56 55 59 66 70 70 65
DEWPT 67 68 67 67 66 65 62 60 56 51 48 46 44 40 38 39 39 39 39 39 39
RH 76 71 67 69 76 84 81 78 70 56 49 47 50 49 51 55 47 37 32 32 38
WIND DIR S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 11 12 11 11 6 4 5 6 18 18 21 21 19 16 17 17 16 23 23 21 18
CLOUDS OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.63 0.16 0.10 0.14 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L D D L C C C C C C C C C C
TSTMS L L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 70 55 74 59 78 63 82
TEMP 57 58 69 65 58 61 72 69 62 65 76 73 66 69 80 78
DEWPT 39 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W W SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 B1 B1 B1
POP 12HR 10 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 52 63 41 69
TEMP 68 74 78 77 70 62 58 55 59 61 63 62 55 49 46 43 50 61 67 67 59
DEWPT 66 66 65 64 63 61 57 55 50 46 44 40 39 39 34 36 37 38 38 39 40
RH 93 76 64 64 78 97 96100 72 58 50 44 55 68 63 76 61 42 34 36 49
WIND DIR S SW S S SW W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 6 9 10 6 5 5 11 19 21 21 21 18 17 14 16 14 18 20 18 14
CLOUDS OV B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 60 60 50 20 5
QPF 12HR 0.56 0.04 0.08 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C S C C C S S S S
TSTMS C L L L C
OBVIS PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 70 45 74 50 77 58 84
TEMP 47 50 68 61 50 54 72 66 55 58 75 70 62 66 82 77
DEWPT 40 40 39 45 42 45 48 53 50 53 57 59 56 59 63 63
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 0 5 10 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 43 69
TEMP 69 76 79 79 73 67 64 62 61 63 64 63 57 51 48 45 51 62 67 67 60
DEWPT 66 67 67 66 65 64 61 57 54 49 48 44 42 39 37 37 39 40 39 39 39
RH 90 74 67 64 76 90 90 84 78 60 56 50 57 63 65 73 63 44 36 36 46
WIND DIR S S S S S SW W NW NW NW NW N NW NW NW NW NW NW NW NW NW
WIND SPD 9 10 9 10 5 4 3 10 19 20 21 16 14 16 13 14 14 18 20 19 14
CLOUDS OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 70 60 50 20 5
QPF 12HR 0.56 0.08 0.06 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L L L C C C C C C C S S S S
TSTMS L L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 71 47 74 51 77 59 84
TEMP 49 52 69 63 52 55 72 66 56 59 75 71 63 67 82 77
DEWPT 40 41 39 45 43 46 48 53 52 55 56 58 57 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 58 66 42 69
TEMP 70 76 79 78 72 66 63 60 60 64 65 64 58 51 47 45 50 61 67 67 60
DEWPT 66 67 67 66 65 63 61 58 51 47 44 39 37 36 35 36 37 38 40 40 40
RH 87 74 67 67 79 90 93 93 72 54 46 40 45 56 63 70 61 42 37 37 47
WIND DIR S S S S SW SW W W NW NW N NW N NW NW NW NW N NW NW NW
WIND SPD 6 6 8 8 4 3 3 5 14 17 19 17 14 13 11 12 11 17 17 14 11
CLOUDS OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 60 60 40 5 0
QPF 12HR 0.59 0.03 0.03 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C S C C S S
TSTMS C L L L C
OBVIS PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 70 46 74 52 77 60 83
TEMP 49 52 68 62 51 55 72 66 57 60 75 71 64 67 81 76
DEWPT 41 41 40 47 44 47 51 54 52 55 57 59 58 60 62 63
PWIND DIR NW NW NW W SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC B1 B1 B1 SC SC B1
POP 12HR 0 0 5 10 20 30 20 40
RAIN SHWRS S S C C S S C C
TSTMS C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
602 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 52 62 41 67
TEMP 70 75 77 76 69 62 58 55 57 60 61 61 55 49 46 43 49 60 65 65 59
DEWPT 65 64 64 64 63 61 57 54 50 45 43 39 38 36 32 33 35 36 37 37 38
RH 84 69 64 66 81 97 96 96 77 58 51 44 53 61 58 67 58 41 35 35 45
WIND DIR S SW S S S SW W NW NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 6 8 8 10 6 4 6 10 18 20 20 18 16 13 11 11 13 19 21 19 14
CLOUDS OV OV B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW SC
POP 12HR 60 60 50 20 5
QPF 12HR 0.51 0.07 0.08 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C S C C C C C S S S S
TSTMS C L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 69 46 72 51 76 59 83
TEMP 48 51 67 61 51 54 70 65 56 59 74 70 63 66 81 76
DEWPT 38 39 37 44 40 44 46 51 49 52 55 57 55 59 61 62
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
000
FOUS51 KLWX 230832
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
432 AM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 63 67 50 69
TEMP 73 74 77 79 79 74 69 67 65 64 66 67 66 61 56 54 52 56 64 67 67 62
DEWPT 66 67 67 67 67 66 65 63 60 55 52 48 44 44 40 38 39 41 41 39 39 40
RH 79 79 71 67 67 76 87 87 84 73 61 50 45 53 55 54 61 57 43 36 36 44
WIND DIR S S S S S SW SW W NW NW NW NW NW N N NW NW NW NW NW NW NW
WIND SPD 8 10 12 11 11 6 4 4 6 19 18 21 20 17 14 16 17 16 21 21 20 16
CLOUDS B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC
POP 12HR 80 70 50 30 5
QPF 12HR 0.55 0.11 0.07 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L D L C C C C C C C C C S S
TSTMS L L D L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 71 53 74 57 77 61 84
TEMP 53 56 69 65 57 59 72 68 61 63 75 71 64 68 82 78
DEWPT 40 42 39 45 44 47 48 53 52 55 56 58 58 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 61 64 45 69
TEMP 69 71 76 79 79 73 68 65 63 62 63 64 63 57 52 49 47 52 62 67 67 61
DEWPT 66 67 67 67 67 66 65 62 60 55 52 48 47 44 40 38 40 39 39 39 39 39
RH 90 87 74 67 67 79 90 90 90 78 67 56 56 62 63 66 76 61 43 36 36 44
WIND DIR S S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 9 11 12 11 11 6 4 5 6 14 16 18 18 14 13 13 14 13 20 20 19 17
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.60 0.15 0.10 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L D D L C C C C C C C C C C
TSTMS L L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 70 49 73 52 76 59 82
TEMP 51 53 68 63 54 56 71 66 57 59 74 70 63 66 80 76
DEWPT 40 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 65 68 53 71
TEMP 76 75 78 79 78 74 70 68 67 66 67 68 67 63 59 56 55 59 66 70 70 65
DEWPT 66 67 68 67 67 66 65 62 60 56 51 48 46 44 40 38 39 39 39 39 39 39
RH 71 76 71 67 69 76 84 81 78 70 56 49 47 50 49 51 55 47 37 32 32 38
WIND DIR S S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 8 11 12 11 11 6 4 5 6 18 18 21 21 19 16 17 17 16 23 23 21 18
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.63 0.16 0.10 0.14 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L D D L C C C C C C C C C C
TSTMS L L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 70 55 74 59 78 63 82
TEMP 57 58 69 65 58 61 72 69 62 65 76 73 66 69 80 78
DEWPT 39 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W W SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 B1 B1 B1
POP 12HR 10 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 57 63 41 69
TEMP 66 68 74 78 77 71 65 62 59 59 61 63 62 55 49 46 43 50 61 67 67 59
DEWPT 63 66 66 65 64 63 61 57 55 50 46 44 40 39 39 34 36 37 38 38 39 40
RH 90 93 76 64 64 76 87 84 87 72 58 50 44 55 68 63 76 61 42 34 36 49
WIND DIR S S SW S S SW W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 4 5 6 9 10 6 5 5 11 19 21 21 21 18 17 14 16 14 18 20 18 14
CLOUDS OV OV B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 60 60 50 20 5
QPF 12HR 0.56 0.04 0.08 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L C S C C C S S S S
TSTMS C L L L C
OBVIS PF PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 70 45 74 50 77 58 84
TEMP 47 50 68 61 50 54 72 66 55 58 75 70 62 66 82 77
DEWPT 40 40 39 45 42 45 48 53 50 53 57 59 56 59 63 63
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 0 5 10 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 43 69
TEMP 67 69 76 79 79 73 67 64 62 61 63 64 63 57 51 48 45 51 62 67 67 60
DEWPT 65 66 67 67 66 65 64 61 57 54 49 48 44 42 39 37 37 39 40 39 39 39
RH 93 90 74 67 64 76 90 90 84 78 60 56 50 57 63 65 73 63 44 36 36 46
WIND DIR S S S S S S SW W NW NW NW NW N NW NW NW NW NW NW NW NW NW
WIND SPD 8 9 10 9 10 5 4 3 10 19 20 21 16 14 16 13 14 14 18 20 19 14
CLOUDS B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 70 60 50 20 5
QPF 12HR 0.56 0.08 0.06 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L C C C C C C C S S S S
TSTMS L L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 71 47 74 51 77 59 84
TEMP 49 52 69 63 52 55 72 66 56 59 75 71 63 67 82 77
DEWPT 40 41 39 45 43 46 48 53 52 55 56 58 57 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 58 66 42 69
TEMP 67 70 76 79 78 72 66 63 60 60 64 65 64 58 51 47 45 50 61 67 67 60
DEWPT 65 66 67 67 66 65 63 61 58 51 47 44 39 37 36 35 36 37 38 40 40 40
RH 93 87 74 67 67 79 90 93 93 72 54 46 40 45 56 63 70 61 42 37 37 47
WIND DIR S S S S S SW SW W W NW NW N NW N NW NW NW NW N NW NW NW
WIND SPD 5 6 6 8 8 4 3 3 5 14 17 19 17 14 13 11 12 11 17 17 14 11
CLOUDS OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 60 60 40 5 0
QPF 12HR 0.59 0.03 0.03 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L C S C C S S
TSTMS C L L L C
OBVIS PF PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 70 46 74 52 77 60 83
TEMP 49 52 68 62 51 55 72 66 57 60 75 71 64 67 81 76
DEWPT 41 41 40 47 44 47 51 54 52 55 57 59 58 60 62 63
PWIND DIR NW NW NW W SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC B1 B1 B1 SC SC B1
POP 12HR 0 0 5 10 20 30 20 40
RAIN SHWRS S S C C S S C C
TSTMS C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
432 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 55 62 41 67
TEMP 68 70 75 77 76 70 64 60 58 57 60 61 61 55 49 46 43 49 60 65 65 59
DEWPT 63 65 64 64 64 63 61 57 54 50 45 43 39 38 36 32 33 35 36 37 37 38
RH 84 84 69 64 66 78 90 90 86 77 58 51 44 53 61 58 67 58 41 35 35 45
WIND DIR S S SW S S S SW W NW NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 5 6 8 8 10 6 4 6 10 18 20 20 18 16 13 11 11 13 19 21 19 14
CLOUDS OV OV OV B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW SC
POP 12HR 60 60 50 20 5
QPF 12HR 0.51 0.07 0.08 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L C S C C C C C S S S S
TSTMS C L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 69 46 72 51 76 59 83
TEMP 48 51 67 61 51 54 70 65 56 59 74 70 63 66 81 76
DEWPT 38 39 37 44 40 44 46 51 49 52 55 57 55 59 61 62
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
000
FOUS51 KLWX 230753
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
353 AM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 63 67 50 69
TEMP 73 74 77 79 79 74 69 67 65 64 66 67 66 61 56 54 52 56 64 67 67 62
DEWPT 66 67 67 67 67 66 65 63 60 55 52 48 44 44 40 38 39 41 41 39 39 40
RH 79 79 71 67 67 76 87 87 84 73 61 50 45 53 55 54 61 57 43 36 36 44
WIND DIR S S S S S SW SW W NW NW NW NW NW N N NW NW NW NW NW NW NW
WIND SPD 8 10 12 11 11 6 4 4 6 19 18 21 20 17 14 16 17 16 21 21 20 16
CLOUDS B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC FW SC
POP 12HR 80 70 50 30 5
QPF 12HR 0.55 0.11 0.07 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L D L C C C C C C C C C S S
TSTMS L L D L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 71 53 74 57 77 61 84
TEMP 53 56 69 65 57 59 72 68 61 63 75 71 64 68 82 78
DEWPT 40 42 39 45 44 47 48 53 52 55 56 58 58 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 61 64 45 69
TEMP 69 71 76 79 79 73 68 65 63 62 63 64 63 57 52 49 47 52 62 67 67 61
DEWPT 66 67 67 67 67 66 65 62 60 55 52 48 47 44 40 38 40 39 39 39 39 39
RH 90 87 74 67 67 79 90 90 90 78 67 56 56 62 63 66 76 61 43 36 36 44
WIND DIR S S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 9 11 12 11 11 6 4 5 6 14 16 18 18 14 13 13 14 13 20 20 19 17
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.60 0.15 0.10 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L D D L C C C C C C C C C C
TSTMS L L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 70 49 73 52 76 59 82
TEMP 51 53 68 63 54 56 71 66 57 59 74 70 63 66 80 76
DEWPT 40 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 SC B1 B1
POP 12HR 5 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 65 68 53 71
TEMP 76 75 78 79 78 74 70 68 67 66 67 68 67 63 59 56 55 59 66 70 70 65
DEWPT 66 67 68 67 67 66 65 62 60 56 51 48 46 44 40 38 39 39 39 39 39 39
RH 71 76 71 67 69 76 84 81 78 70 56 49 47 50 49 51 55 47 37 32 32 38
WIND DIR S S S S S S SW SW W NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 8 11 12 11 11 6 4 5 6 18 18 21 21 19 16 17 17 16 23 23 21 18
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC SC
POP 12HR 80 80 50 30 10
QPF 12HR 0.63 0.16 0.10 0.14 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L D D L C C C C C C C C C C
TSTMS L L D D C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 70 55 74 59 78 63 82
TEMP 57 58 69 65 58 61 72 69 62 65 76 73 66 69 80 78
DEWPT 39 41 39 45 43 46 47 52 51 54 55 58 57 60 61 63
PWIND DIR NW NW NW W W SW S SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC SC CL FW FW SC SC SC SC B1 B1 B1 B1
POP 12HR 10 5 5 10 10 20 20 20
RAIN SHWRS S S S S S S
TSTMS S S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 57 63 41 69
TEMP 66 68 74 78 77 71 65 62 59 59 61 63 62 55 49 46 43 50 61 67 67 59
DEWPT 63 66 66 65 64 63 61 57 55 50 46 44 40 39 39 34 36 37 38 38 39 40
RH 90 93 76 64 64 76 87 84 87 72 58 50 44 55 68 63 76 61 42 34 36 49
WIND DIR S S SW S S SW W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 4 5 6 9 10 6 5 5 11 19 21 21 21 18 17 14 16 14 18 20 18 14
CLOUDS OV OV B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 60 60 50 20 5
QPF 12HR 0.56 0.04 0.08 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L C S C C C S S S S
TSTMS C L L L C
OBVIS PF PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 70 45 74 50 77 58 84
TEMP 47 50 68 61 50 54 72 66 55 58 75 70 62 66 82 77
DEWPT 40 40 39 45 42 45 48 53 50 53 57 59 56 59 63 63
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 0 5 10 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 43 69
TEMP 67 69 76 79 79 73 67 64 62 61 63 64 63 57 51 48 45 51 62 67 67 60
DEWPT 65 66 67 67 66 65 64 61 57 54 49 48 44 42 39 37 37 39 40 39 39 39
RH 93 90 74 67 64 76 90 90 84 78 60 56 50 57 63 65 73 63 44 36 36 46
WIND DIR S S S S S S SW W NW NW NW NW N NW NW NW NW NW NW NW NW NW
WIND SPD 8 9 10 9 10 5 4 3 10 19 20 21 16 14 16 13 14 14 18 20 19 14
CLOUDS B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC FW FW
POP 12HR 70 60 50 20 5
QPF 12HR 0.56 0.08 0.06 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L C C C C C C C S S S S
TSTMS L L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 71 47 74 51 77 59 84
TEMP 49 52 69 63 52 55 72 66 56 59 75 71 63 67 82 77
DEWPT 40 41 39 45 43 46 48 53 52 55 56 58 57 60 62 63
PWIND DIR NW NW NW W SW SW S SW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 10 10 20 20 30
RAIN SHWRS S S S S C C
TSTMS C C
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 58 66 42 69
TEMP 67 70 76 79 78 72 66 63 60 60 64 65 64 58 51 47 45 50 61 67 67 60
DEWPT 65 66 67 67 66 65 63 61 58 51 47 44 39 37 36 35 36 37 38 40 40 40
RH 93 87 74 67 67 79 90 93 93 72 54 46 40 45 56 63 70 61 42 37 37 47
WIND DIR S S S S S SW SW W W NW NW N NW N NW NW NW NW N NW NW NW
WIND SPD 5 6 6 8 8 4 3 3 5 14 17 19 17 14 13 11 12 11 17 17 14 11
CLOUDS OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 60 60 40 5 0
QPF 12HR 0.59 0.03 0.03 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L C S C C S S
TSTMS C L L L C
OBVIS PF PF PF PF
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 70 46 74 52 77 60 83
TEMP 49 52 68 62 51 55 72 66 57 60 75 71 64 67 81 76
DEWPT 41 41 40 47 44 47 51 54 52 55 57 59 58 60 62 63
PWIND DIR NW NW NW W SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC B1 B1 B1 SC SC B1
POP 12HR 0 0 5 10 20 30 20 40
RAIN SHWRS S S C C S S C C
TSTMS C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
353 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 55 62 41 67
TEMP 68 70 75 77 76 70 64 60 58 57 60 61 61 55 49 46 43 49 60 65 65 59
DEWPT 63 65 64 64 64 63 61 57 54 50 45 43 39 38 36 32 33 35 36 37 37 38
RH 84 84 69 64 66 78 90 90 86 77 58 51 44 53 61 58 67 58 41 35 35 45
WIND DIR S S SW S S S SW W NW NW NW NW NW N NW NW NW NW NW NW NW NW
WIND SPD 5 6 8 8 10 6 4 6 10 18 20 20 18 16 13 11 11 13 19 21 19 14
CLOUDS OV OV OV B2 B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW SC
POP 12HR 60 60 50 20 5
QPF 12HR 0.51 0.07 0.08 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L C S C C C C C S S S S
TSTMS C L L L C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 69 46 72 51 76 59 83
TEMP 48 51 67 61 51 54 70 65 56 59 74 70 63 66 81 76
DEWPT 38 39 37 44 40 44 46 51 49 52 55 57 55 59 61 62
PWIND DIR NW NW NW NW W SW SW SW
WIND CHAR BZ GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW CL FW FW SC SC B1 SC B1 B1 B1 B1
POP 12HR 5 5 5 5 10 20 20 40
RAIN SHWRS S S S S C C
TSTMS C C
$$
000
FOUS51 KLWX 230532
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 AM EDT THU MAY 23 2013
VAZ054-232100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 63 67 50 69
TEMP 73 74 77 79 79 74 69 67 65 64 66 67 66 61 56 54 52 56 64 67 67 62
DEWPT 66 67 67 67 67 66 65 63 60 54 53 51 48 44 41 40 40 40 40 40 39 40
RH 79 79 71 67 67 76 87 87 84 70 63 56 52 53 57 59 63 55 41 37 36 44
WIND DIR S S S S S SW SW W NW NW NW NW N N N NW NW NW NW NW NW NW
WIND SPD 8 10 12 11 11 6 4 4 4 19 21 18 18 18 18 18 18 18 17 16 11 6
CLOUDS B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC CL CL CL CL FW FW SC
POP 12HR 70 50 20 5 0
QPF 12HR 0.60 0.10 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C C C C S S
TSTMS L L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 73 59 71 60 73 62 75
TEMP 53 56 71 68 62 63 70 67 62 64 72 69 64 66 74 72
DEWPT 40 42 43 48 48 51 54 55 55 57 59 60 60 60 64 64
PWIND DIR NW W S SE SE S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
MDZ013-232100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 61 64 45 69
TEMP 69 71 76 79 79 73 68 65 63 62 63 64 63 57 52 49 47 52 62 67 67 61
DEWPT 66 67 67 67 67 66 65 62 60 56 54 51 48 46 43 42 41 40 40 39 39 39
RH 90 87 74 67 67 79 90 90 90 81 72 63 58 67 71 77 79 63 44 36 36 44
WIND DIR S S S S S S SW SW W NW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 9 11 12 11 11 6 4 5 5 17 16 13 16 18 19 19 19 18 17 13 9 3
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC CL CL CL CL FW FW SC
POP 12HR 70 60 20 5 0
QPF 12HR 0.61 0.14 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L L C C S S
TSTMS L L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 46 71 57 70 57 73 60 74
TEMP 51 54 69 66 60 61 69 66 60 62 72 69 63 64 73 71
DEWPT 40 41 42 47 47 50 52 54 54 56 58 59 59 60 63 63
PWIND DIR NW W S SE SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 OV OV
POP 12HR 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
MDZ011-232100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 65 68 53 71
TEMP 76 75 78 79 78 74 70 68 67 66 67 68 67 63 59 56 55 59 66 70 70 65
DEWPT 66 67 68 67 67 66 65 62 60 56 54 51 47 43 41 40 40 41 40 39 39 39
RH 71 76 71 67 69 76 84 81 78 70 63 54 49 48 51 55 57 51 38 32 32 38
WIND DIR S S S S S S SW SW W NW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 8 11 12 11 11 6 4 5 5 16 19 17 18 19 19 19 19 18 18 16 12 6
WIND GUST 26
CLOUDS B2 OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC CL CL CL CL FW FW SC
POP 12HR 70 60 20 5 0
QPF 12HR 0.64 0.15 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L L C C S S
TSTMS L L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 53 72 61 72 62 73 63 75
TEMP 57 59 70 68 63 64 71 69 64 65 72 70 65 67 74 72
DEWPT 39 41 42 48 47 50 53 55 54 56 59 60 59 60 63 63
PWIND DIR NW W S SE SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV OV
POP 12HR 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
WVZ052-232100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 57 63 41 69
TEMP 66 68 74 78 77 71 65 62 59 59 61 63 62 55 49 46 43 50 61 67 67 59
DEWPT 63 66 66 65 64 63 61 57 55 51 49 46 44 42 39 38 37 36 37 38 39 40
RH 90 93 76 64 64 76 87 84 87 75 65 54 52 61 68 73 79 58 41 34 36 49
WIND DIR S S SW S S SW W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 4 5 6 9 10 6 5 5 9 16 17 14 17 14 14 14 16 16 14 13 9 4
CLOUDS OV OV B2 B2 B2 B2 B2 OV OV B2 B2 B2 B1 SC FW CL CL CL CL FW FW SC
POP 12HR 60 30 10 0 0
QPF 12HR 0.56 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L C C S C
TSTMS C L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 41 72 55 71 55 73 58 74
TEMP 47 51 70 66 59 60 70 65 58 61 72 68 61 63 73 71
DEWPT 40 40 42 48 46 50 55 55 53 56 60 61 59 60 63 64
PWIND DIR NW W SE SE SE S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 OV B2
POP 12HR 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
VAZ042-232100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 60 64 43 69
TEMP 67 69 76 79 79 73 67 64 62 61 63 64 63 57 51 48 45 51 62 67 67 60
DEWPT 65 66 67 67 66 65 64 61 57 53 52 50 47 44 41 40 39 38 38 38 39 39
RH 93 90 74 67 64 76 90 90 84 75 67 60 56 62 68 74 79 61 41 34 36 46
WIND DIR S S S S S S SW W NW NW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 8 9 10 9 10 5 4 3 6 16 18 17 17 17 17 18 18 17 14 12 8 3
WIND GUST 26
CLOUDS B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW CL CL CL CL FW FW SC
POP 12HR 70 40 10 0 0
QPF 12HR 0.67 0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L C C C C
TSTMS L L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 72 57 71 57 73 58 74
TEMP 49 52 70 67 60 61 70 66 60 62 72 68 61 63 73 71
DEWPT 40 41 43 48 48 51 54 55 54 56 59 60 59 60 64 65
PWIND DIR NW W SE SE SE S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
VAZ037-232100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 80 58 66 42 69
TEMP 67 70 76 79 78 72 66 63 60 60 64 65 64 58 51 47 45 50 61 67 67 60
DEWPT 65 66 67 67 66 65 63 61 58 53 51 49 46 43 40 39 38 38 39 39 40 40
RH 93 87 74 67 67 79 90 93 93 78 63 56 52 57 66 74 76 63 44 36 37 47
WIND DIR S S S S S SW SW W NW NW N N N N NW NW NW NW NW NW NW NW
WIND SPD 5 6 6 8 8 4 3 3 4 5 12 9 10 12 13 13 11 10 10 9 5 1
WIND GUST 21
CLOUDS OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 SC FW FW CL CL CL CL FW FW SC
POP 12HR 60 30 10 0 0
QPF 12HR 0.60 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L C C S
TSTMS C L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 44 73 56 71 57 73 59 76
TEMP 49 53 71 67 60 61 70 66 60 62 72 68 62 64 75 73
DEWPT 41 41 45 50 49 52 56 57 55 57 60 61 59 60 64 65
PWIND DIR N SW S S S S SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2
POP 12HR 5 10 30 30 30 40 30 30
RAIN SHWRS C C C C C C C C C C C C
$$
MDZ003-232100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
132 AM EDT THU MAY 23 2013
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 55 62 41 67
TEMP 68 70 75 77 76 70 64 60 58 57 60 61 61 55 49 46 43 49 60 65 65 59
DEWPT 63 65 64 64 64 63 61 57 54 51 48 45 43 41 39 38 37 36 36 37 37 38
RH 84 84 69 64 66 78 90 90 86 80 64 56 51 59 68 73 79 61 41 35 35 45
WIND DIR S S SW S S S SW W NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 5 6 8 8 10 6 4 6 8 17 16 14 17 14 13 13 14 14 14 13 10 5
CLOUDS OV OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B1 SC FW CL CL CL CL SC SC SC
POP 12HR 60 30 10 5 0
QPF 12HR 0.57 0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L C C S C
TSTMS C L L C C
DATE SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 43 70 55 70 55 72 59 74
TEMP 48 51 68 65 58 60 69 65 58 60 71 68 62 64 73 71
DEWPT 38 39 40 47 44 48 52 54 51 54 58 59 58 60 62 63
PWIND DIR NW W SE SE SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV B2
POP 12HR 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
000
FOUS51 KLWX 230231
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1031 PM EDT WED MAY 22 2013
VAZ054-230900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 81 63 69 51
TEMP 77 74 72 73 78 80 80 75 70 67 65 65 67 69 68 63 58 55 53 57
DEWPT 68 67 66 67 67 68 67 66 63 59 56 54 53 51 48 44 41 40 40 40
RH 74 79 81 81 69 67 65 74 78 75 73 68 61 53 49 50 53 57 61 53
WIND DIR S S S S S S S S W W NW NW NW NW N N N NW NW NW
WIND SPD 12 11 12 13 12 12 11 10 8 4 9 19 21 18 18 18 18 18 18 18
WIND GUST 23 21
CLOUDS B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 40 90 70 20 5
QPF 12HR 0.02 0.50 0.13 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D D L L C C S S
TSTMS S D D C C
HEAT INDEX 83 82
MAX HEAT 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 52 73 59 71 60 73 62 75
TEMP 69 64 56 58 71 68 62 63 70 67 62 64 72 69 64 66 74 72
DEWPT 40 40 40 42 43 48 48 51 54 55 55 57 59 60 60 60 64 64
PWIND DIR NW NW W S SE SE S S S
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
MDZ013-230900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 81 62 68 46
TEMP 76 73 71 73 78 80 80 74 69 66 64 64 66 68 67 60 54 51 48 53
DEWPT 68 67 66 66 66 67 67 65 63 59 56 56 54 51 48 46 43 42 41 40
RH 76 81 84 79 67 65 65 74 81 78 75 75 65 54 50 60 66 71 77 61
WIND DIR S S SW S S S S S W W W NW NW NW N N NW NW NW NW
WIND SPD 9 8 8 10 10 10 9 5 4 4 6 17 16 13 16 18 19 19 19 18
WIND GUST 20 20
CLOUDS B1 OV OV OV B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 40 90 80 20 5
QPF 12HR 0.02 0.59 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D D D D L L S S
TSTMS S D D C C
HEAT INDEX 82 82
MAX HEAT 82 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 46 71 57 70 57 73 60 74
TEMP 67 61 51 54 69 66 60 61 69 66 60 62 72 69 63 64 73 71
DEWPT 39 39 40 41 42 47 47 50 52 54 54 56 58 59 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
MDZ011-230900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 74 80 65 70 54
TEMP 80 77 76 76 78 80 79 75 71 68 67 67 69 70 69 64 60 57 56 59
DEWPT 68 67 66 66 67 67 66 65 63 59 56 56 54 51 47 43 41 40 40 41
RH 67 71 71 71 69 65 64 71 76 73 68 68 59 51 45 46 49 53 55 51
WIND DIR S S S S S S S S W W W NW NW NW N N NW NW NW NW
WIND SPD 9 8 8 10 10 9 8 5 3 3 5 16 19 17 18 19 19 19 19 18
WIND GUST 20 21 20 19 26
CLOUDS SC OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 40 90 80 20 5
QPF 12HR 0.02 0.60 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D D D D L L S S
TSTMS S D D C C
HEAT INDEX 83 82
MAX HEAT 84 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 55 72 61 72 62 73 63 75
TEMP 70 65 58 60 71 68 63 64 71 69 64 65 72 70 65 67 74 72
DEWPT 39 39 39 41 42 48 47 50 53 55 54 56 59 60 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
WVZ052-230900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 79 57 65 41
TEMP 74 71 68 70 75 78 77 71 65 62 59 59 63 64 63 57 50 46 44 50
DEWPT 64 64 63 64 64 64 62 61 58 55 53 51 49 46 44 42 39 38 37 36
RH 71 79 84 81 69 62 60 71 78 78 80 75 60 52 50 57 66 73 76 58
WIND DIR S S S S S S S W W NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 4 4 3 3 4 5 6 5 3 6 9 16 17 14 17 14 14 14 16 16
WIND GUST 19 17 20 25
CLOUDS B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 40 80 50 10 0
QPF 12HR 0.06 0.30 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D L C C C C
TSTMS D L
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 44 72 55 71 55 73 58 74
TEMP 68 61 50 53 70 66 59 60 70 65 58 61 72 68 61 63 73 71
DEWPT 38 40 40 40 42 48 46 50 55 55 53 56 60 61 59 60 63 64
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
VAZ042-230900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 82 60 66 43
TEMP 74 71 68 71 77 81 80 74 68 65 62 62 64 66 65 58 52 48 46 51
DEWPT 67 66 65 66 66 66 65 63 61 58 56 53 52 50 47 44 41 40 39 38
RH 79 84 90 84 69 60 60 69 78 78 81 72 65 56 52 59 66 74 76 61
WIND DIR S S S S S S S S W W NW NW NW NW N N NW NW NW NW
WIND SPD 12 9 10 11 9 10 9 6 5 3 10 16 18 17 17 17 17 18 18 17
WIND GUST 24 20 26
CLOUDS B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 40 80 60 10 0
QPF 12HR 0.04 0.42 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D L L L C C
TSTMS S D L C C
HEAT INDEX 83 82
MAX HEAT 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 46 72 57 71 57 73 58 74
TEMP 68 62 51 54 70 67 60 61 70 66 60 62 72 68 61 63 73 71
DEWPT 38 39 40 41 43 48 48 51 54 55 54 56 59 60 59 60 64 65
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
VAZ037-230900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 65 82 58 68 43
TEMP 73 70 67 70 77 81 80 74 67 63 61 61 65 67 66 59 52 48 46 52
DEWPT 66 65 65 64 65 65 64 62 60 57 55 53 51 49 46 43 40 39 38 38
RH 79 84 93 81 67 58 58 66 78 81 81 75 60 52 48 55 63 71 73 59
WIND DIR S S S S S S S S S W NW NW N N N N NW NW NW NW
WIND SPD 4 5 3 9 6 8 8 8 3 1 2 5 12 9 10 12 13 13 11 10
WIND GUST 18 19 21
CLOUDS OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 SC FW FW CL CL CL
POP 12HR 40 80 50 10 0
QPF 12HR 0.04 0.30 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D L C C C C
TSTMS S D L
HEAT INDEX 83 82
MAX HEAT 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 72 45 73 56 71 57 73 59 76
TEMP 70 63 51 54 71 67 60 61 70 66 60 62 72 68 62 64 75 73
DEWPT 39 40 41 41 45 50 49 52 56 57 55 57 60 61 59 60 64 65
PWIND DIR NW N SW S S S S SW SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC B1 SC B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2
POP 12HR 0 5 10 30 30 30 40 30 30
RAIN SHWRS C C C C C C C C C C C C
$$
MDZ003-230900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
1031 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 78 56 67 42
TEMP 74 71 68 70 75 77 76 70 64 61 58 59 64 66 65 58 51 47 45 50
DEWPT 64 63 63 63 64 64 63 62 59 55 53 51 48 45 43 41 39 38 37 36
RH 71 76 84 78 69 64 64 76 84 81 83 75 56 47 45 53 63 71 73 58
WIND DIR S S S S S S S SW W NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 8 10 5 6 6 9 8 6 3 6 11 17 16 14 17 14 13 13 14 14
WIND GUST 20 20 25
CLOUDS B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 40 80 50 10 5
QPF 12HR 0.06 0.32 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C D L C C C C
TSTMS D L
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 46 70 55 70 55 72 59 74
TEMP 66 60 51 53 68 65 58 60 69 65 58 60 71 68 62 64 73 71
DEWPT 37 38 38 39 40 47 44 48 52 54 51 54 58 59 58 60 62 63
PWIND DIR NW NW W SE SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
000
FOUS51 KLWX 222331
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
731 PM EDT WED MAY 22 2013
VAZ054-230900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 81 63 69 51
TEMP 82 77 74 72 73 78 80 80 75 70 67 65 65 67 69 68 63 58 55 53 57
DEWPT 69 68 67 66 67 67 68 67 66 63 59 56 54 53 51 48 44 41 40 40 40
RH 65 74 79 81 81 69 67 65 74 78 75 73 68 61 53 49 50 53 57 61 53
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N N NW NW NW
WIND SPD 9 9 10 11 14 14 19 18 16 6 8 10 21 21 18 18 18 18 18 18 18
CLOUDS SC B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 70 20 5
QPF 12HR 0.03 0.50 0.13 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C D D D L L C C S S
TSTMS C S C C D D D C C
OBVIS PF
HEAT INDEX 85 83 82
MAX HEAT 87 83 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 52 73 59 71 60 73 62 75
TEMP 69 64 56 58 71 68 62 63 70 67 62 64 72 69 64 66 74 72
DEWPT 40 40 40 42 43 48 48 51 54 55 55 57 59 60 60 60 64 64
PWIND DIR NW NW W S SE SE S S S
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
MDZ013-230900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 81 62 68 46
TEMP 81 76 73 71 73 78 80 80 74 69 66 64 64 66 68 67 60 54 51 48 53
DEWPT 69 68 67 66 66 66 67 67 65 63 59 56 56 54 51 48 46 43 42 41 40
RH 67 76 81 84 79 67 65 65 74 81 78 75 75 65 54 50 60 66 71 77 61
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N NW NW NW NW
WIND SPD 9 9 9 9 10 13 13 14 14 2 9 9 17 16 13 16 18 19 19 19 18
CLOUDS B1 B1 OV OV OV B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 80 20 5
QPF 12HR 0.03 0.59 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C D D D D D L L S S
TSTMS C S C C D D D C C
OBVIS PF
HEAT INDEX 84 82 82
MAX HEAT 87 82 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 46 71 57 70 57 73 60 74
TEMP 67 61 51 54 69 66 60 61 69 66 60 62 72 69 63 64 73 71
DEWPT 39 39 40 41 42 47 47 50 52 54 54 56 58 59 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
MDZ011-230900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 74 80 65 70 54
TEMP 84 80 77 76 76 78 80 79 75 71 68 67 67 69 70 69 64 60 57 56 59
DEWPT 69 68 67 66 66 67 67 66 65 63 59 56 56 54 51 47 43 41 40 40 41
RH 61 67 71 71 71 69 65 64 71 76 73 68 68 59 51 45 46 49 53 55 51
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N NW NW NW NW
WIND SPD 8 9 9 11 13 17 18 17 16 6 9 11 21 19 17 18 19 19 19 19 18
CLOUDS B1 SC OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 80 20 5
QPF 12HR 0.03 0.60 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D D D D L L S S
TSTMS C S C L D D D C C
OBVIS PF
HEAT INDEX 88 83 82
MAX HEAT 91 85 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 55 72 61 72 62 73 63 75
TEMP 70 65 58 60 71 68 63 64 71 69 64 65 72 70 65 67 74 72
DEWPT 39 39 39 41 42 48 47 50 53 55 54 56 59 60 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
WVZ052-230900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 79 57 65 41
TEMP 80 74 71 68 70 75 78 77 71 65 62 59 59 63 64 63 57 50 46 44 50
DEWPT 65 64 64 63 64 64 64 62 61 58 55 53 51 49 46 44 42 39 38 37 36
RH 60 71 79 84 81 69 62 60 71 78 78 80 75 60 52 50 57 66 73 76 58
WIND DIR S S S S S S SW SW SW NW N NW N NW NW NW NW NW NW NW NW
WIND SPD 10 8 6 5 9 13 12 14 9 5 8 18 18 17 14 17 14 14 14 16 16
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 80 80 50 10 0
QPF 12HR 0.31 0.30 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D S C L D D L C C C C
TSTMS D S C L D D L
OBVIS PF PF PF
HEAT INDEX 82
MAX HEAT 86
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 44 72 55 71 55 73 58 74
TEMP 68 61 50 53 70 66 59 60 70 65 58 61 72 68 61 63 73 71
DEWPT 38 40 40 40 42 48 46 50 55 55 53 56 60 61 59 60 63 64
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
VAZ042-230900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 82 60 66 43
TEMP 80 74 71 68 71 77 81 80 74 68 65 62 62 64 66 65 58 52 48 46 51
DEWPT 68 67 66 65 66 66 66 65 63 61 58 56 53 52 50 47 44 41 40 39 38
RH 67 79 84 90 84 69 60 60 69 78 78 81 72 65 56 52 59 66 74 76 61
WIND DIR S S S S SW SW S S SW W N NW N NW NW N N NW NW NW NW
WIND SPD 9 9 9 9 10 13 17 14 8 9 8 13 18 18 17 17 17 17 18 18 17
CLOUDS SC B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 50 80 60 10 0
QPF 12HR 0.05 0.42 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L L L C C
TSTMS C S C L D D L C C
OBVIS PF
HEAT INDEX 83 83 82
MAX HEAT 85 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 46 72 57 71 57 73 58 74
TEMP 68 62 51 54 70 67 60 61 70 66 60 62 72 68 61 63 73 71
DEWPT 38 39 40 41 43 48 48 51 54 55 54 56 59 60 59 60 64 65
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
VAZ037-230900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 65 82 58 68 43
TEMP 79 73 70 67 70 77 81 80 74 67 63 61 61 65 67 66 59 52 48 46 52
DEWPT 67 66 65 65 64 65 65 64 62 60 57 55 53 51 49 46 43 40 39 38 38
RH 67 79 84 93 81 67 58 58 66 78 81 81 75 60 52 48 55 63 71 73 59
WIND DIR S S S S SW SW SW SW S W SW W N N N N N NW NW NW NW
WIND SPD 6 6 6 5 9 12 12 13 6 5 6 6 14 12 9 10 12 13 13 11 10
CLOUDS B1 OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 SC FW FW CL CL CL
POP 12HR 60 80 50 10 0
QPF 12HR 0.05 0.30 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L C C C C
TSTMS C S C L D D L
OBVIS PF
HEAT INDEX 83 82
MAX HEAT 85 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 72 45 73 56 71 57 73 59 76
TEMP 70 63 51 54 71 67 60 61 70 66 60 62 72 68 62 64 75 73
DEWPT 39 40 41 41 45 50 49 52 56 57 55 57 60 61 59 60 64 65
PWIND DIR NW N SW S S S S SW SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC B1 SC B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2
POP 12HR 0 5 10 30 30 30 40 30 30
RAIN SHWRS C C C C C C C C C C C C
$$
MDZ003-230900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
731 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 78 56 67 42
TEMP 80 74 71 68 70 75 77 76 70 64 61 58 59 64 66 65 58 51 47 45 50
DEWPT 64 64 63 63 63 64 64 63 62 59 55 53 51 48 45 43 41 39 38 37 36
RH 58 71 76 84 78 69 64 64 76 84 81 83 75 56 47 45 53 63 71 73 58
WIND DIR S S S S S S SW SW SW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 10 9 9 8 10 14 12 14 9 5 5 18 18 16 14 17 14 13 13 14 14
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 80 80 50 10 5
QPF 12HR 0.31 0.32 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S C L D D L C C C C
TSTMS L S C L D D L
OBVIS PF
HEAT INDEX 82
MAX HEAT 85
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 46 70 55 70 55 72 59 74
TEMP 66 60 51 53 68 65 58 60 69 65 58 60 71 68 62 64 73 71
DEWPT 37 38 38 39 40 47 44 48 52 54 51 54 58 59 58 60 62 63
PWIND DIR NW NW W SE SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
000
FOUS51 KLWX 222235
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
635 PM EDT WED MAY 22 2013
VAZ054-230900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 81 63 69 51
TEMP 82 77 74 72 73 78 80 80 75 70 67 65 65 67 69 68 63 58 55 53 57
DEWPT 69 68 67 66 67 67 68 67 66 63 59 56 54 53 51 48 44 41 40 40 40
RH 65 74 79 81 81 69 67 65 74 78 75 73 68 61 53 49 50 53 57 61 53
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N N NW NW NW
WIND SPD 9 9 10 11 14 14 19 18 16 6 8 10 21 21 18 18 18 18 18 18 18
CLOUDS SC B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 70 20 5
QPF 12HR 0.03 0.50 0.13 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C D D D L L C C S S
TSTMS C S C C D D D C C
OBVIS PF
HEAT INDEX 85 83 82
MAX HEAT 89 83 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 52 73 59 71 60 73 62 75
TEMP 69 64 56 58 71 68 62 63 70 67 62 64 72 69 64 66 74 72
DEWPT 40 40 40 42 43 48 48 51 54 55 55 57 59 60 60 60 64 64
PWIND DIR NW NW W S SE SE S S S
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
MDZ013-230900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 81 62 68 46
TEMP 81 76 73 71 73 78 80 80 74 69 66 64 64 66 68 67 60 54 51 48 53
DEWPT 69 68 67 66 66 66 67 67 65 63 59 56 56 54 51 48 46 43 42 41 40
RH 67 76 81 84 79 67 65 65 74 81 78 75 75 65 54 50 60 66 71 77 61
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N NW NW NW NW
WIND SPD 9 9 9 9 10 13 13 14 14 2 9 9 17 16 13 16 18 19 19 19 18
CLOUDS B1 B1 OV OV OV B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 80 20 5
QPF 12HR 0.03 0.59 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C D D D D D L L S S
TSTMS C S C C D D D C C
OBVIS PF
HEAT INDEX 84 82 82
MAX HEAT 88 82 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 46 71 57 70 57 73 60 74
TEMP 67 61 51 54 69 66 60 61 69 66 60 62 72 69 63 64 73 71
DEWPT 39 39 40 41 42 47 47 50 52 54 54 56 58 59 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
MDZ011-230900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 74 80 65 70 54
TEMP 84 80 77 76 76 78 80 79 75 71 68 67 67 69 70 69 64 60 57 56 59
DEWPT 69 68 67 66 66 67 67 66 65 63 59 56 56 54 51 47 43 41 40 40 41
RH 61 67 71 71 71 69 65 64 71 76 73 68 68 59 51 45 46 49 53 55 51
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N NW NW NW NW
WIND SPD 8 9 9 11 13 17 18 17 16 6 9 11 21 19 17 18 19 19 19 19 18
CLOUDS B1 SC OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 80 20 5
QPF 12HR 0.03 0.60 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D D D D L L S S
TSTMS C S C L D D D C C
OBVIS PF
HEAT INDEX 88 83 82
MAX HEAT 92 85 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 55 72 61 72 62 73 63 75
TEMP 70 65 58 60 71 68 63 64 71 69 64 65 72 70 65 67 74 72
DEWPT 39 39 39 41 42 48 47 50 53 55 54 56 59 60 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
WVZ052-230900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 79 57 65 41
TEMP 80 74 71 68 70 75 78 77 71 65 62 59 59 63 64 63 57 50 46 44 50
DEWPT 65 64 64 63 64 64 64 62 61 58 55 53 51 49 46 44 42 39 38 37 36
RH 60 71 79 84 81 69 62 60 71 78 78 80 75 60 52 50 57 66 73 76 58
WIND DIR S S S S S S SW SW SW NW N NW N NW NW NW NW NW NW NW NW
WIND SPD 10 8 6 5 9 13 12 14 9 5 8 18 18 17 14 17 14 14 14 16 16
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 80 80 50 10 0
QPF 12HR 0.31 0.30 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D S C L D D L C C C C
TSTMS D S C L D D L
OBVIS PF PF PF
HEAT INDEX 82
MAX HEAT 87
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 44 72 55 71 55 73 58 74
TEMP 68 61 50 53 70 66 59 60 70 65 58 61 72 68 61 63 73 71
DEWPT 38 40 40 40 42 48 46 50 55 55 53 56 60 61 59 60 63 64
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
VAZ042-230900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 82 60 66 43
TEMP 80 74 71 68 71 77 81 80 74 68 65 62 62 64 66 65 58 52 48 46 51
DEWPT 68 67 66 65 66 66 66 65 63 61 58 56 53 52 50 47 44 41 40 39 38
RH 67 79 84 90 84 69 60 60 69 78 78 81 72 65 56 52 59 66 74 76 61
WIND DIR S S S S SW SW S S SW W N NW N NW NW N N NW NW NW NW
WIND SPD 9 9 9 9 10 13 17 14 8 9 8 13 18 18 17 17 17 17 18 18 17
CLOUDS SC B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 50 80 60 10 0
QPF 12HR 0.05 0.42 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L L L C C
TSTMS C S C L D D L C C
OBVIS PF
HEAT INDEX 83 83 82
MAX HEAT 87 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 46 72 57 71 57 73 58 74
TEMP 68 62 51 54 70 67 60 61 70 66 60 62 72 68 61 63 73 71
DEWPT 38 39 40 41 43 48 48 51 54 55 54 56 59 60 59 60 64 65
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
VAZ037-230900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 65 82 58 68 43
TEMP 79 73 70 67 70 77 81 80 74 67 63 61 61 65 67 66 59 52 48 46 52
DEWPT 67 66 65 65 64 65 65 64 62 60 57 55 53 51 49 46 43 40 39 38 38
RH 67 79 84 93 81 67 58 58 66 78 81 81 75 60 52 48 55 63 71 73 59
WIND DIR S S S S SW SW SW SW S W SW W N N N N N NW NW NW NW
WIND SPD 6 6 6 5 9 12 12 13 6 5 6 6 14 12 9 10 12 13 13 11 10
CLOUDS B1 OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 SC FW FW CL CL CL
POP 12HR 60 80 50 10 0
QPF 12HR 0.05 0.30 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L C C C C
TSTMS C S C L D D L
OBVIS PF
HEAT INDEX 83 82
MAX HEAT 87 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 72 45 73 56 71 57 73 59 76
TEMP 70 63 51 54 71 67 60 61 70 66 60 62 72 68 62 64 75 73
DEWPT 39 40 41 41 45 50 49 52 56 57 55 57 60 61 59 60 64 65
PWIND DIR NW N SW S S S S SW SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC B1 SC B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2
POP 12HR 0 5 10 30 30 30 40 30 30
RAIN SHWRS C C C C C C C C C C C C
$$
MDZ003-230900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
635 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 78 56 67 42
TEMP 80 74 71 68 70 75 77 76 70 64 61 58 59 64 66 65 58 51 47 45 50
DEWPT 64 64 63 63 63 64 64 63 62 59 55 53 51 48 45 43 41 39 38 37 36
RH 58 71 76 84 78 69 64 64 76 84 81 83 75 56 47 45 53 63 71 73 58
WIND DIR S S S S S S SW SW SW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 10 9 9 8 10 14 12 14 9 5 5 18 18 16 14 17 14 13 13 14 14
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 80 80 50 10 5
QPF 12HR 0.31 0.32 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L S C L D D L C C C C
TSTMS L S C L D D L
OBVIS PF
HEAT INDEX 82
MAX HEAT 87
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 46 70 55 70 55 72 59 74
TEMP 66 60 51 53 68 65 58 60 69 65 58 60 71 68 62 64 73 71
DEWPT 37 38 38 39 40 47 44 48 52 54 51 54 58 59 58 60 62 63
PWIND DIR NW NW W SE SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
000
FOUS51 KLWX 222215
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
614 PM EDT WED MAY 22 2013
VAZ054-230900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 71 81 63 69 51
TEMP 82 77 74 72 73 78 80 80 75 70 67 65 65 67 69 68 63 58 55 53 57
DEWPT 69 68 67 66 67 67 68 67 66 63 59 56 54 53 51 48 44 41 40 40 40
RH 65 74 79 81 81 69 67 65 74 78 75 73 68 61 53 49 50 53 57 61 53
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N N NW NW NW
WIND SPD 9 9 10 11 14 14 19 18 16 6 8 10 21 21 18 18 18 18 18 18 18
CLOUDS SC B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 70 20 5
QPF 12HR 0.02 0.50 0.13 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C D D D L L C C S S
TSTMS C S C C D D D C C
OBVIS PF
HEAT INDEX 85 83 82
MAX HEAT 89 83 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 52 73 59 71 60 73 62 75
TEMP 69 64 56 58 71 68 62 63 70 67 62 64 72 69 64 66 74 72
DEWPT 40 40 40 42 43 48 48 51 54 55 55 57 59 60 60 60 64 64
PWIND DIR NW NW W S SE SE S S S
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
MDZ013-230900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 81 62 68 46
TEMP 81 76 73 71 73 78 80 80 74 69 66 64 64 66 68 67 60 54 51 48 53
DEWPT 69 68 67 66 66 66 67 67 65 63 59 56 56 54 51 48 46 43 42 41 40
RH 67 76 81 84 79 67 65 65 74 81 78 75 75 65 54 50 60 66 71 77 61
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N NW NW NW NW
WIND SPD 9 9 9 9 10 13 13 14 14 2 9 9 17 16 13 16 18 19 19 19 18
CLOUDS B1 B1 OV OV OV B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 80 20 5
QPF 12HR 0.02 0.59 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C D D D D D L L S S
TSTMS C S C C D D D C C
OBVIS PF
HEAT INDEX 84 82 82
MAX HEAT 88 82 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 69 46 71 57 70 57 73 60 74
TEMP 67 61 51 54 69 66 60 61 69 66 60 62 72 69 63 64 73 71
DEWPT 39 39 40 41 42 47 47 50 52 54 54 56 58 59 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B2 B2 B2 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
MDZ011-230900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 74 80 65 70 54
TEMP 84 80 77 76 76 78 80 79 75 71 68 67 67 69 70 69 64 60 57 56 59
DEWPT 69 68 67 66 66 67 67 66 65 63 59 56 56 54 51 47 43 41 40 40 41
RH 61 67 71 71 71 69 65 64 71 76 73 68 68 59 51 45 46 49 53 55 51
WIND DIR S S S S S SW S S SW SW NW NW N NW NW N N NW NW NW NW
WIND SPD 8 9 9 11 13 17 18 17 16 6 9 11 21 19 17 18 19 19 19 19 18
CLOUDS B1 SC OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC CL CL CL
POP 12HR 50 90 80 20 5
QPF 12HR 0.02 0.60 0.18 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D D D D L L S S
TSTMS C S C L D D D C C
OBVIS PF
HEAT INDEX 88 83 82
MAX HEAT 92 85 82
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 71 55 72 61 72 62 73 63 75
TEMP 70 65 58 60 71 68 63 64 71 69 64 65 72 70 65 67 74 72
DEWPT 39 39 39 41 42 48 47 50 53 55 54 56 59 60 59 60 63 63
PWIND DIR NW NW W S SE SE S S SW
WIND CHAR BZ LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV OV
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
WVZ052-230900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 79 57 65 41
TEMP 80 74 71 68 70 75 78 77 71 65 62 59 59 63 64 63 57 50 46 44 50
DEWPT 65 64 64 63 64 64 64 62 61 58 55 53 51 49 46 44 42 39 38 37 36
RH 60 71 79 84 81 69 62 60 71 78 78 80 75 60 52 50 57 66 73 76 58
WIND DIR S S S S S S SW SW SW NW N NW N NW NW NW NW NW NW NW NW
WIND SPD 10 8 6 5 9 13 12 14 9 5 8 18 18 17 14 17 14 14 14 16 16
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 60 80 50 10 0
QPF 12HR 0.06 0.30 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L C C C C
TSTMS C S C L D D L
OBVIS PF PF PF
HEAT INDEX 82
MAX HEAT 87
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 44 72 55 71 55 73 58 74
TEMP 68 61 50 53 70 66 59 60 70 65 58 61 72 68 61 63 73 71
DEWPT 38 40 40 40 42 48 46 50 55 55 53 56 60 61 59 60 63 64
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
VAZ042-230900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 82 60 66 43
TEMP 80 74 71 68 71 77 81 80 74 68 65 62 62 64 66 65 58 52 48 46 51
DEWPT 68 67 66 65 66 66 66 65 63 61 58 56 53 52 50 47 44 41 40 39 38
RH 67 79 84 90 84 69 60 60 69 78 78 81 72 65 56 52 59 66 74 76 61
WIND DIR S S S S SW SW S S SW W N NW N NW NW N N NW NW NW NW
WIND SPD 9 9 9 9 10 13 17 14 8 9 8 13 18 18 17 17 17 17 18 18 17
CLOUDS SC B2 OV OV OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 50 80 60 10 0
QPF 12HR 0.04 0.42 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L L L C C
TSTMS C S C L D D L C C
OBVIS PF
HEAT INDEX 83 83 82
MAX HEAT 87 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 70 46 72 57 71 57 73 58 74
TEMP 68 62 51 54 70 67 60 61 70 66 60 62 72 68 61 63 73 71
DEWPT 38 39 40 41 43 48 48 51 54 55 54 56 59 60 59 60 64 65
PWIND DIR NW NW W SE SE SE S S S
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC SC FW SC B1 B1 B2 B2 B2 B1 B2 OV B2 B2 B2 OV
POP 12HR 0 0 5 20 20 10 30 20 30
RAIN SHWRS S S S S C C S S C S
$$
VAZ037-230900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 65 82 58 68 43
TEMP 79 73 70 67 70 77 81 80 74 67 63 61 61 65 67 66 59 52 48 46 52
DEWPT 67 66 65 65 64 65 65 64 62 60 57 55 53 51 49 46 43 40 39 38 38
RH 67 79 84 93 81 67 58 58 66 78 81 81 75 60 52 48 55 63 71 73 59
WIND DIR S S S S SW SW SW SW S W SW W N N N N N NW NW NW NW
WIND SPD 6 6 6 5 9 12 12 13 6 5 6 6 14 12 9 10 12 13 13 11 10
CLOUDS B1 OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 SC FW FW CL CL CL
POP 12HR 60 80 50 10 0
QPF 12HR 0.04 0.30 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L C C C C
TSTMS C S C L D D L
OBVIS PF
HEAT INDEX 83 82
MAX HEAT 87 83 83
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 72 45 73 56 71 57 73 59 76
TEMP 70 63 51 54 71 67 60 61 70 66 60 62 72 68 62 64 75 73
DEWPT 39 40 41 41 45 50 49 52 56 57 55 57 60 61 59 60 64 65
PWIND DIR NW N SW S S S S SW SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW SC B1 SC B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2
POP 12HR 0 5 10 30 30 30 40 30 30
RAIN SHWRS C C C C C C C C C C C C
$$
MDZ003-230900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
614 PM EDT WED MAY 22 2013
DATE 05/22/13 THU 05/23/13 FRI 05/24/13 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 78 56 67 42
TEMP 80 74 71 68 70 75 77 76 70 64 61 58 59 64 66 65 58 51 47 45 50
DEWPT 64 64 63 63 63 64 64 63 62 59 55 53 51 48 45 43 41 39 38 37 36
RH 58 71 76 84 78 69 64 64 76 84 81 83 75 56 47 45 53 63 71 73 58
WIND DIR S S S S S S SW SW SW NW NW N N NW NW NW NW NW NW NW NW
WIND SPD 10 9 9 8 10 14 12 14 9 5 5 18 18 16 14 17 14 13 13 14 14
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL CL
POP 12HR 60 80 50 10 5
QPF 12HR 0.06 0.32 0.10 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C L D D L C C C C
TSTMS C S C L D D L
OBVIS PF
HEAT INDEX 82
MAX HEAT 87
DATE 05/25 SUN 05/26/13 MON 05/27/13 TUE 05/28/13 WED 05/29/13
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 46 70 55 70 55 72 59 74
TEMP 66 60 51 53 68 65 58 60 69 65 58 60 71 68 62 64 73 71
DEWPT 37 38 38 39 40 47 44 48 52 54 51 54 58 59 58 60 62 63
PWIND DIR NW NW W SE SE SE S S SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC B1 B1 B2 B1 B1 B2 OV B2 B2 OV B2
POP 12HR 0 0 5 20 10 10 30 20 30
RAIN SHWRS S S C C S S C S
$$
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