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000
AUUS46 KPDT 011310 CCA
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
506 AM PST SUN MAR 1 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S-SW 2-5 MPH.       W 1-4 MPH.
TRANSPORT WINDS               S-SW 2-5 MPH.       SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          66 (POOR).
OUTLOOK FOR MON MAR 2         365 (FAIR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NW 2-5 MPH.       SE 2-5 MPH.
TRANSPORT WINDS               N-NW 2-5 MPH.       SW 5-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          99 (POOR).
OUTLOOK FOR MON MAR 2         343 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 2-3 MPH.          S 6-8 MPH.
TRANSPORT WINDS               S 2-3 MPH.          SW 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          80 (POOR).
OUTLOOK FOR MON MAR 2         273 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       84 (POOR)
ELLENSBURG    133 (POOR)
GOLDENDALE     90 (POOR)
TRI-CITIES     64 (POOR)
WALLA WALLA    81 (POOR)
YAKIMA        121 (POOR)
BEND           59 (POOR)
PRINEVILLE     60 (POOR)
ENTERPRISE     68 (POOR)
HERMISTON      60 (POOR)
JOHN DAY       88 (POOR)
LA GRANDE      84 (POOR)
MADRAS         62 (POOR)
MEACHAM        73 (POOR)
PENDLETON      57 (POOR)
REDMOND        65 (POOR)
SENECA         98 (POOR)
THE DALLES     97 (POOR)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$














000
AUUS46 KPDT 011310 CCA
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
506 AM PST SUN MAR 1 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S-SW 2-5 MPH.       W 1-4 MPH.
TRANSPORT WINDS               S-SW 2-5 MPH.       SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          66 (POOR).
OUTLOOK FOR MON MAR 2         365 (FAIR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NW 2-5 MPH.       SE 2-5 MPH.
TRANSPORT WINDS               N-NW 2-5 MPH.       SW 5-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          99 (POOR).
OUTLOOK FOR MON MAR 2         343 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 2-3 MPH.          S 6-8 MPH.
TRANSPORT WINDS               S 2-3 MPH.          SW 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          80 (POOR).
OUTLOOK FOR MON MAR 2         273 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       84 (POOR)
ELLENSBURG    133 (POOR)
GOLDENDALE     90 (POOR)
TRI-CITIES     64 (POOR)
WALLA WALLA    81 (POOR)
YAKIMA        121 (POOR)
BEND           59 (POOR)
PRINEVILLE     60 (POOR)
ENTERPRISE     68 (POOR)
HERMISTON      60 (POOR)
JOHN DAY       88 (POOR)
LA GRANDE      84 (POOR)
MADRAS         62 (POOR)
MEACHAM        73 (POOR)
PENDLETON      57 (POOR)
REDMOND        65 (POOR)
SENECA         98 (POOR)
THE DALLES     97 (POOR)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$














000
AUUS46 KPDT 011306
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
506 AM PST SUN MAR 1 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S-SW 2-5 MPH.       W 1-4 MPH.
TRANSPORT WINDS               S-SW 2-5 MPH.       SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          66 (POOR).
OUTLOOK FOR MON MAR 2         365 (FAIR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NW 2-5 MPH.       SE 2-5 MPH.
TRANSPORT WINDS               N-NW 2-5 MPH.       SW 5-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          99 (POOR).
OUTLOOK FOR MON MAR 2         343 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 2-3 MPH.          S 6-8 MPH.
TRANSPORT WINDS               2 2-3 MPH.          SW 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          80 (POOR).
OUTLOOK FOR MON MAR 2         273 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       84 (POOR)
ELLENSBURG    133 (POOR)
GOLDENDALE     90 (POOR)
TRI-CITIES     64 (POOR)
WALLA WALLA    81 (POOR)
YAKIMA        121 (POOR)
BEND           59 (POOR)
PRINEVILLE     60 (POOR)
ENTERPRISE     68 (POOR)
HERMISTON      60 (POOR)
JOHN DAY       88 (POOR)
LA GRANDE      84 (POOR)
MADRAS         62 (POOR)
MEACHAM        73 (POOR)
PENDLETON      57 (POOR)
REDMOND        65 (POOR)
SENECA         98 (POOR)
THE DALLES     97 (POOR)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$











000
AUUS46 KPDT 011306
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
506 AM PST SUN MAR 1 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S-SW 2-5 MPH.       W 1-4 MPH.
TRANSPORT WINDS               S-SW 2-5 MPH.       SW 4-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          66 (POOR).
OUTLOOK FOR MON MAR 2         365 (FAIR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N-NW 2-5 MPH.       SE 2-5 MPH.
TRANSPORT WINDS               N-NW 2-5 MPH.       SW 5-8 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4000 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          99 (POOR).
OUTLOOK FOR MON MAR 2         343 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 S 2-3 MPH.          S 6-8 MPH.
TRANSPORT WINDS               2 2-3 MPH.          SW 8-10 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               POOR.
OUTLOOK FOR MON MAR 2         FAIR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          80 (POOR).
OUTLOOK FOR MON MAR 2         273 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM       84 (POOR)
ELLENSBURG    133 (POOR)
GOLDENDALE     90 (POOR)
TRI-CITIES     64 (POOR)
WALLA WALLA    81 (POOR)
YAKIMA        121 (POOR)
BEND           59 (POOR)
PRINEVILLE     60 (POOR)
ENTERPRISE     68 (POOR)
HERMISTON      60 (POOR)
JOHN DAY       88 (POOR)
LA GRANDE      84 (POOR)
MADRAS         62 (POOR)
MEACHAM        73 (POOR)
PENDLETON      57 (POOR)
REDMOND        65 (POOR)
SENECA         98 (POOR)
THE DALLES     97 (POOR)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.
$$











000
AUUS46 KPDT 281200
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PST SAT FEB 28 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NE 8-15 MPH.        NE 15-25 MPH.
TRANSPORT WINDS               NE 8-15 MPH.        NE 20-30 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR SUN MAR 1         POOR.

VENTILATION INDEX (CATEGORY)  35 (POOR).          732 (GOOD).
OUTLOOK FOR SUN MAR 1         85 (POOR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N 5-10 MPH.         NE 15-25 MPH.
TRANSPORT WINDS               N 5-10 MPH.         NE 20-30 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN MAR 1         POOR.

VENTILATION INDEX (CATEGORY)  35 (POOR).          991 (GOOD).
OUTLOOK FOR SUN MAR 1         61 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 8-15 MPH.        N 15-25 MPH.
TRANSPORT WINDS               NW 8-15 MPH.        NE 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN MAR 1         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          326 (FAIR).
OUTLOOK FOR SUN MAR 1         69 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      225 (POOR)
ELLENSBURG    513 (FAIR)
GOLDENDALE    913 (GOOD)
TRI-CITIES   1038 (GOOD)
WALLA WALLA   487 (FAIR)
YAKIMA        904 (GOOD)
BEND          304 (FAIR)
PRINEVILLE    419 (FAIR)
ENTERPRISE    269 (POOR)
HERMISTON     896 (GOOD)
JOHN DAY      289 (POOR)
LA GRANDE     355 (FAIR)
MADRAS        714 (GOOD)
MEACHAM       186 (POOR)
PENDLETON     440 (FAIR)
REDMOND       507 (FAIR)
SENECA        342 (FAIR)
THE DALLES    821 (GOOD)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.

$$







000
AUUS46 KPDT 281200
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PST SAT FEB 28 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NE 8-15 MPH.        NE 15-25 MPH.
TRANSPORT WINDS               NE 8-15 MPH.        NE 20-30 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           FAIR.               GOOD.
OUTLOOK FOR SUN MAR 1         POOR.

VENTILATION INDEX (CATEGORY)  35 (POOR).          732 (GOOD).
OUTLOOK FOR SUN MAR 1         85 (POOR).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 N 5-10 MPH.         NE 15-25 MPH.
TRANSPORT WINDS               N 5-10 MPH.         NE 20-30 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN MAR 1         POOR.

VENTILATION INDEX (CATEGORY)  35 (POOR).          991 (GOOD).
OUTLOOK FOR SUN MAR 1         61 (POOR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 8-15 MPH.        N 15-25 MPH.
TRANSPORT WINDS               NW 8-15 MPH.        NE 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SUN MAR 1         POOR.

VENTILATION INDEX (CATEGORY)  25 (POOR).          326 (FAIR).
OUTLOOK FOR SUN MAR 1         69 (POOR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      225 (POOR)
ELLENSBURG    513 (FAIR)
GOLDENDALE    913 (GOOD)
TRI-CITIES   1038 (GOOD)
WALLA WALLA   487 (FAIR)
YAKIMA        904 (GOOD)
BEND          304 (FAIR)
PRINEVILLE    419 (FAIR)
ENTERPRISE    269 (POOR)
HERMISTON     896 (GOOD)
JOHN DAY      289 (POOR)
LA GRANDE     355 (FAIR)
MADRAS        714 (GOOD)
MEACHAM       186 (POOR)
PENDLETON     440 (FAIR)
REDMOND       507 (FAIR)
SENECA        342 (FAIR)
THE DALLES    821 (GOOD)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.

$$







000
AUUS46 KPDT 271200
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PST FRI FEB 27 2015

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SE 2-6 MPH.         N-NE 12-18 MPH.
TRANSPORT WINDS               SE 2-6 MPH.         NE 12-18 MPH.
MIXING HEIGHT                 NEAR SURFACE.       5500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SAT FEB 28        GOOD.

VENTILATION INDEX (CATEGORY)  25 (POOR).          388 (FAIR).
OUTLOOK FOR SAT FEB 28        750 (GOOD).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 0-4 MPH.         NE 10-15 MPH.
TRANSPORT WINDS               SW 0-4 MPH.         NE 15-25 MPH.
MIXING HEIGHT                 NEAR SURFACE.       4500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT FEB 28        GOOD.

VENTILATION INDEX (CATEGORY)  27 (POOR).          709 (GOOD).
OUTLOOK FOR SAT FEB 28        1004 (GOOD).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 0-4 MPH.         N 5-10 MPH.
TRANSPORT WINDS               NW 0-4 MPH.         SE 10-15 MPH.
MIXING HEIGHT                 NEAR SURFACE.       6500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SAT FEB 28        FAIR.

VENTILATION INDEX (CATEGORY)  26 (POOR).          194 (POOR).
OUTLOOK FOR SAT FEB 28        343 (FAIR).

SELECT AFTERNOON FORECAST VENTILATION INDICES FOR SOME CITIES
CLE ELUM      268 (POOR)
ELLENSBURG    483 (FAIR)
GOLDENDALE    272 (POOR)
TRI-CITIES    593 (FAIR)
WALLA WALLA   214 (POOR)
YAKIMA        755 (GOOD)
BEND          759 (GOOD)
PRINEVILLE    711 (GOOD)
ENTERPRISE    217 (POOR)
HERMISTON     526 (FAIR)
JOHN DAY      132 (POOR)
LA GRANDE     219 (POOR)
MADRAS        488 (FAIR)
MEACHAM       197 (POOR)
PENDLETON     285 (POOR)
REDMOND       727 (GOOD)
SENECA        121 (POOR)
THE DALLES     98 (POOR)

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.

$$







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