000
FLUS46 KSTO 161056
HWOSTO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
356 AM PDT WED MAY 16 2012

CAZ013>015-066-068-162300-
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
BURNEY BASIN / EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-
WESTERN PLUMAS COUNTY/LASSEN PARK-
356 AM PDT WED MAY 16 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN
CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A WEATHER SYSTEM WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS
TO THE AREA THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

CAZ016>019-063-064-067-069-162300-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE-
WEST SLOPE NORTHERN SIERRA NEVADA-
356 AM PDT WED MAY 16 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN
CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

000
WWUS86 KLOX 160448
SPSLOX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
948 PM PDT TUE MAY 15 2012

CAZ034>041-044>046-051>054-059-087-088-547-548-170400-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS-
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
948 PM PDT TUE MAY 15 2012

...SOUTHWESTERN CALIFORNIA WEATHER SUMMARY FOR MARCH AND APRIL
   2012...

****MARCH****

MARCH 2012 WAS GENERALLY SLIGHTLY DRIER THAN NORMAL ACROSS
SOUTHWESTERN CALIFORNIA. MOST AREAS RECEIVED 70 TO 90 PERCENT OF
NORMAL RAINFALL FOR THE MONTH...ALTHOUGH A FEW LOCATIONS RECEIVED
SLIGHTLY ABOVE NORMAL RAINFALL. ACROSS THE ANTELOPE
VALLEY...RAINFALL WAS GENERALLY ABOUT 50 PERCENT OF NORMAL.

TEMPERATURES FOR THE MONTH AVERAGED 1 TO 3 DEGREES BELOW NORMAL
ACROSS THE REGION. HARD FREEZES WERE COMMON EARLY IN THE MONTH
ACROSS THE MOUNTAINS AND DESERTS...THE INTERIOR VALLEYS OF SAN LUIS
OBISPO COUNTY AND THE CUYAMA VALLEY. ELSEWHERE...TEMPERATURES
REMAINED ABOVE FREEZING...EXCEPT LIGHT FREEZES OCCURRED ON
A COUPLE OF DAYS ACROSS INTERIOR PORTIONS OF THE CENTRAL COAST...AND
IN THE SANTA YNEZ AND OJAI VALLEYS.

THE MONTH BEGAN ON A COOL AND WINDY NOTE. GUSTY WEST TO NORTHWEST
WINDS SWEPT INTO THE REGION BEHIND A COLD FRONT. PEAK WIND GUSTS ON
THE 1ST INCLUDED 61 MPH AT WHITAKER PEAK...60 MPH AT CAMP NINE...55
MPH AT LANCASTER AIRPORT...53 MPH AT POPPY PARK AND 45 MPH AT
PALMDALE AIRPORT.

THE WINDS SHIFTED TO THE NORTH AND NORTHEAST LATE ON THE 1ST...AND
STRONG TO DAMAGING WINDS PERSISTED THROUGH THE MORNING OF THE 3RD.
AFTER THE WIND SHIFT...PEAK WIND GUSTS FROM THE 2ND THROUGH THE 3RD
INCLUDED 85 MPH AT LAGUNA PEAK...74 MPH AT WARM SPRINGS...73 MPH AT
CAMP NINE...67 MPH AT WHITAKER PEAK AND WILEY RIDGE...60 MPH AT
CHILAO AND CHEESEBORO...56 MPH AT NEWHALL PASS...52 MPH AT
CAMARILLO...49 MPH IN SAUGUS AND SIMI VALLEY...48 MPH AT LEO
CARRILLO BEACH...46 MPH AT DEL VALLE AND PIRU AND 41 MPH AT POINT
MUGU. WARMING BEGAN WEST OF THE MOUNTAINS ON THE 2ND...WITH HIGH
TEMPERATURES BACK TO NEAR NORMAL LEVELS IN MOST AREAS...THEN WARMING
CONTINUED THROUGH THE 4TH AS A STRONG UPPER LEVEL HIGH PRESSURE
SYSTEM BUILT INTO THE REGION.

THE 4TH WAS THE WARMEST DAY OF THE MONTH AT MOST REPORTING STATIONS
ACROSS THE REGION. THE HIGH TEMPERATURE ON THE 4TH REACHED 91
DEGREES AT LONG BEACH AIRPORT...90 DEGREES AT PASADENA AND SAN
GABRIEL...89 DEGREES AT HAWTHORNE AIRPORT AND FILLMORE...88 DEGREES
AT POMONA...CHATSWORTH...CAMARILLO AIRPORT AND OJAI...87 DEGREES AT
DOWNTOWN LOS ANGELES...LOS ANGELES AIRPORT...WOODLAND HILLS AND
SAUGUS...86 DEGREES IN SANTA YNEZ...AT BURBANK AIRPORT AND AT VAN
NUYS AIRPORT...85 DEGREES AT SAN LUIS OBISPO AIRPORT AND AT THE
NATIONAL WEATHER SERVICE IN OXNARD AND 83 DEGREES AT SANTA MARIA
AIRPORT. DAILY HIGH TEMPERATURE RECORDS WERE SET AT LOS ANGELES
AIRPORT...LONG BEACH AIRPORT...CAMARILLO AIRPORT...SANTA MARIA
AIRPORT AND AT THE NATIONAL WEATHER SERVICE IN OXNARD.

THE UPPER HIGH BEGAN TO BREAK DOWN AND SHIFT EASTWARD ON THE
5TH...BRINGING SOME COOLING TO THE REGION...ALTHOUGH TEMPERATURES
WERE STILL WELL ABOVE NORMAL. IN FACT...THE HIGH TEMPERATURE OF 83
DEGREES AT PASO ROBLES AIRPORT SET A RECORD FOR THE DATE...AND THE
HIGH OF 82 DEGREES AT UCLA TIED A DAILY RECORD SET IN 2007. ALSO AT
UCLA...THE LOW TEMPERATURE OF 65 DEGREES SET A RECORD HIGH MINIMUM
TEMPERATURE FOR THE DATE...BREAKING THE PREVIOUS RECORD OF 61
DEGREES IN 2007.

TREMENDOUS COOLING OCCURRED ACROSS THE REGION ON THE 6TH AS A
COLD LOW PRESSURE SYSTEM THAT ORIGINATED IN THE GULF OF ALASKA
DROPPED SOUTHEASTWARD INTO NORTHERN AND CENTRAL CALIFORNIA AND ITS
ASSOCIATED FRONTAL SYSTEM SWEPT THROUGH THE REGION. HIGH
TEMPERATURES WERE MORE THAN 20 DEGREES COOLING IN MANY AREA THAN ON
THE 5TH.

ALTHOUGH THE FRONT ONLY BROUGHT A FEW LIGHT SHOWERS TO THE
REGION...IT USHERED IN PLENTY OF COLD AIR AND STRONG AND GUSTY
WEST TO NORTHWEST WINDS ON THE 6TH. THE WINDS SHIFTED TO A MORE
NORTHERLY DIRECTION AND REMAINED GUSTY INTO THE 7TH. PEAK WIND GUSTS
IN THE 6TH AND 7TH INCLUDED 76 MPH AT WHITAKER PEAK...62 MPH AT LAKE
PALMDALE...58 MPH IN SAUGUS...55 MPH AT POPPY PARK...54 MPH AT
LANCASTER AIRPORT...53 MPH AT LAGUNA PEAK...52 MPH AT PALMDALE
AIRPORT AND AT CAMP NINE...51 MPH AT WARM SPRINGS...47 MPH AT PASO
ROBLES AIRPORT...45 MPH AT SANTA MARIA AIRPORT AND VANDENBERG
AFB...44 MPH AT SAN LUIS OBISPO AIRPORT...43 MPH AT OXNARD
AIRPORT...39 MPH AT VAN NUYS AIRPORT AND 36 MPH AT SANTA BARBARA
AIRPORT. AT 130 PM ON THE 6TH...THE MORRO BAY HARBOR REPORTED A WIND
GUST OF 81 MPH.

HIGH TEMPERATURES WERE WELL BELOW NORMAL ON THE 6TH AND 7TH...WHILE
THE MORNINGS OF THE 7TH AND 8TH WERE THE COLDEST OF THE MONTH IN
MOST AREAS. ACROSS THE CENTRAL COAST AND IN THE SANTA YNEZ AND OJAI
VALLEYS...LIGHT FREEZES WERE REPORTED.

ON THE 7TH...THE LOW TEMPERATURE OF 22 DEGREES AT SANDBERG SET A
RECORD FOR THE DATE...BREAKING THE PREVIOUS RECORD OF 23 DEGREES SET
IN 1964. THE LOW TEMPERATURE OF 37 DEGREES AT CAMARILLO AIRPORT TIED
A DAILY RECORD WHICH WAS SET IN 1956.

ON THE 8TH...THE LOW TEMPERATURE OF 21 DEGREES AT LANCASTER AIRPORT
SET A DAILY RECORD...BREAKING THE OLD RECORD OF 23 DEGREES SET IN
1956. THE LOW OF 35 DEGREES AT CAMARILLO AIRPORT BROKE THE DAILY
RECORD OF 37 DEGREES SET IN 1964...WHILE THE LOW OF 33 DEGREES AT
SANTA BARBARA AIRPORT TIED A DAILY RECORD.

AFTERNOON TEMPERATURES WARMED ON THE 8TH BACK TO NEAR OR EVEN
SLIGHTLY ABOVE NORMAL LEVELS AS A RIDGE BUILT INTO THE REGION...THEN
SIGNIFICANT WARMING TOOK PLACE ON THE 9TH AS THE UPPER RIDGE PEAKED
IN INTENSITY ACROSS THE REGION.

CHILLY MORNING TEMPERATURES LINGERED IN THE ANTELOPE VALLEY ON THE
9TH...WHERE THE LOW OF 24 DEGREES AT LANCASTER AIRPORT BROKE THE
RECORD FOR THE DATE WHICH WAS 25 DEGREES SET IN 2002.

DURING THE AFTERNOON OF THE 9TH...THE HIGH TEMPERATURE OF 86 DEGREES
AT CAMARILLO AIRPORT BROKE THE PREVIOUS RECORD OF 84 DEGREES SET IN
1996. THE HIGH TEMPERATURE OF 82 DEGREES AT LOS ANGELES AIRPORT SET
A RECORD FOR THE DATE WHICH WAS 81 DEGREES AND WAS SET JUST A YEAR
EARLIER IN 2011. THE HIGH OF 82 DEGREES AT PASO ROBLES AIRPORT BROKE
THE OLD RECORD OF 81 DEGREES SET IN 2004.

THE UPPER HIGH BEGAN TO BREAK DOWN AND MOVE EASTWARD ON THE
10TH...AND SEVERAL DEGREES OF COOLING TOOK PLACE. STILL...MAXIMUM
TEMPERATURES WERE A BIT ABOVE NORMAL IN MOST AREAS...WHERE THE
WARMEST LOCATIONS IN THE VALLEYS ALMOST REACHING 80 DEGREES.

MORE SIGNIFICANT COOLING TOOK PLACE ON THE 11TH AS A BROAD TROUGH
MOVED INTO THE WEST COAST...THEN COOL CONDITIONS PERSISTED THROUGH
THE 15TH...WITH PLENTY OF NIGHT THROUGH MORNING LOW CLOUDS WEST OF
THE MOUNTAINS...AND MAXIMUM TEMPERATURE GENERALLY 5 TO 10 DEGREES
BELOW NORMAL.

ON THE 16TH...A TROUGH DROPPED SOUTHWARD TO A POSITION OFF THE
CALIFORNIA COAST AND ITS ASSOCIATED FRONTAL SYSTEM SWEPT THROUGH THE
REGION ON THE 17TH...BRINGING A 3 TO 6 HOUR PERIOD OF MODERATE TO
HEAVY RAIN...FOLLOWED BY NUMEROUS SHOWERS THAT PERSISTED INTO THE
18TH.

GUSTY SOUTHEAST TO SOUTHWEST WINDS AFFECTED THE REGION AHEAD OF THE
FRONT DURING THE MORNING HOURS OF THE 17TH. PEAK WIND GUSTS INCLUDED
74 MPH AT CHILAO...73 MPH AT MILL CREEK...70 MPH AT CAMP NINE...62
MPH AT GRASS MOUNTAIN...59 MPH AT WILEY RIDGE...56 MPH AT LAKE
PALMDALE AND CLEAR CREEK...54 MPH AT WHITAKER PEAK...53 MPH AT POPPY
PARK...52 MPH AT TOPANGA HILLS...49 MPH AT BRANCH MOUNTAIN AND IN
SAUGUS...47 MPH AT MALIBU HILLS...46 MPH AT SANDBERG AND
CARRIZO...44 MPH AT NEWHALL PASS AND VANDENBERG...AND 42 MPH AT
ACTON.

MAXIMUM TEMPERATURES WERE 15 TO 20 DEGREES BELOW NORMAL IN MOST
AREAS ON THE 17TH. THE HIGH TEMPERATURES OF 53 DEGREES AT BURBANK
AIRPORT TIED THE RECORD LOW MAXIMUM TEMPERATURE FOR THE DATE WHICH
WAS SET IN 1963. THE DAILY RAINFALL TOTAL OF 0.64 INCHES AT SANDBERG
SET A RECORD FOR THE DATE...BREAKING THE OLD RECORD OF 0.09 INCHES
SET IN 1979. AT PASO ROBLES AIRPORT...THE 1.47 INCHES OF RAIN
RECEIVED ON THE 17TH BROKE THE DAILY RECORD OF 1.16 INCHES SET IN
1991.

SOME RAINFALL TOTALS FROM THE STORM SYSTEM ON THE 17TH INTO THE 18TH
INCLUDE 6.93 INCHES AT BATES RIDGE...5.32INCHES AT NORDHOFF
RIDGE..4.49 INCHES AT OPIDS CAMP...4.37 INCHES AT EL DESEO
RANCH...4.14 INCHES IN ROSE VALLEY...3.92 INCHES AT SAN MARCOS
PASS...3.86 INCHES AT MATILIJA CANYON...3.82 INCHES AT THE WEST FORK
HELIPORT...3.81 INCHES AT CAMP HI HILL...3.76 INCHES AT MOUNT
BALDY...3.74 INCHES AT WHITE LEDGE PEAK...3.66 INCHES AT WEST CAMINO
CIELO...3.59 INCHES AT TECOLOTE CANYON...3.54 INCHES AT
TANBARK...3.35 INCHES AT BIG TUJUNGA DAM...3.33 INCHES AT CLEAR
CREEK...2.96 INCHES IN ATASCADERO...2.90 INCHES AT LOS
PRIETOS...2.88 INCHES AT MORRIS DAM...2.81 INCHES AT FIGUEROA
MOUNTAIN...2.62 INCHES AT MONTECITO HILLS...2.47 INCHES AT CORRAL
CANYON...2.24 INCHES AT LECHUZA FIRE STATION...2.17 INCHES AT THE
MONTE NIDO FIRE STATION...2.11 INCHES IN OJAI...1.80 INCHES IN
LOMPOC...1.77 INCHES AT SANTA MARIA AIRPORT...1.67 INCHES AT SAN
LUIS OBISPO AIRPORT...1.65 INCHES IN LA CANADA FLINTRIDGE AND IN THE
CITY OF SANTA BARBARA...1.62 INCHES AT FILLMORE...1.57 INCHES IN
AGOURA HILLS...1.53 INCHES AT PASO ROBLES AIRPORT...1.46 INCHES AT
PACOIMA DAM...1.42 INCHES IN SUN VALLEY AND PASADENA...1.38 INCHES
AT THE BURBANK PUMP PLANT...IN NEWHALL AND ON THE CARRIZO
PLAIN...1.12 INCHES IN CHATSWORTH...1.07 INCHES IN BEL AIR...1.06
INCHES IN BEVERLY HILLS...1.00 INCHES AT SANTA MARIA AIRPORT...0.94
INCHES AT BURBANK AIRPORT...AT SANTA BARBARA AIRPORT AND IN POPPY
PARK...0.88 INCHES IN WOODLAND HILLS...0.76 INCHES IN DOWNTOWN LOS
ANGELES...0.74 INCHES AT THE NATIONAL WEATHER SERVICE IN OXNARD...AT
LONG BEACH AIRPORT AND AT VAN NUYS AIRPORT....0.68 INCHES AT
CAMARILLO AIRPORT...0.64 INCHES AT UCLA...0.60 INCHES AT HAWTHORNE
AIRPORT...0.55 AT LOS ANGELES AIRPORT...0.44 INCHES AT PALMDALE
AIRPORT AND 0.13 INCHES AT LANCASTER AIRPORT.

IN THE MOUNTAINS...SNOW FELL MAINLY ABOVE THE 5500 FOOT LEVEL. SNOW
TOTALS INCLUDED 18 TO 22 INCHES AT MOUNTAIN HIGH AT 7000 FEET...12
INCHES AT MOUNT BALDY...10 TO 15 INCHES AT WRIGHTWOOD AT 6000
FEET...11 INCHES AT BIG PINES...2.8 INCHES IN LOCKWOOD VALLEY...AND
1 INCH AT LAKE OF THE WOODS.

ON THE 18TH...MANY LOCATIONS SET OR TIED RECORD LOW DAILY MAXIMUM
TEMPERATURES INCLUDING LOS ANGELES AIRPORT WHERE THE HIGH OF 55
DEGREES BROKE THE RECORD OF 58 DEGREES SET IN 1983...DOWNTOWN LOS
ANGELES WHERE THE HIGH OF 58 DEGREES TIED THE DAILY RECORD SET IN
1962...LONG BEACH AIRPORT WHERE THE HIGH OF 57 DEGREES BROKE THE
RECORD OF 59 DEGREES SET IN 1985...BURBANK AIRPORT WHERE THE HIGH OF
56 DEGREES EDGED OUT THE RECORD OF 57 DEGREES SET IN 1952...WOODLAND
HILLS WHERE THE HIGH OF 53 DEGREES BROKE THE RECORD OF 55 DEGREES
SET IN 1982...UCLA WHERE THE HIGH OF 55 DEGREES TIED THE DAILY
RECORD SET IN 1982...AND PALMDALE WHERE THE HIGH OF 46 DEGREES
BROKE THE RECORD OF 48 DEGREES SET IN 1948.

DRY WEATHER RETURNED TO THE REGION ON THE 19TH...BUT IT REMAINED
COOL. ON THE 19TH...THE LOW TEMPERATURE OF 25 DEGREES AT SANDBERG
BROKE THE RECORD FOR THE DATE WHICH WAS 27 DEGREES IN 1982. THE HIGH
TEMPERATURE OF 60 DEGREES AT LONG BEACH AIRPORT TIED THE LOWEST
MAXIMUM TEMPERATURE EVER RECORDED ON THAT DATE WHICH WAS SET IN
1979.

SOME WARMING BEGAN ON THE 20TH...THEN TEMPERATURES WERE ABOVE NORMAL
LEVELS ACROSS MUCH OF THE REGION ON THE 21ST. AT MANY OF THE WARMER
LOCATIONS IN THE VALLEYS...HIGH TEMPERATURES REACHED 80 DEGREES ON
THE 21ST.

A TROUGH MOVING TOWARD THE WEST COAST BROUGHT COOLING ON THE 22ND
AND 23RD...ALONG WITH A RETURN TO NIGHT THROUGH MORNING LOW CLOUDS
WEST OF THE MOUNTAINS.

A STRONG AND COLD UPPER LOW DROPPED SOUTHWARD PARALLEL TO THE WEST
COAST ON THE 23RD AND 24TH...REACHING A POSITION ABOUT 300 MILES
WEST OF POINT CONCEPTION DURING THE AFTERNOON OF THE 24TH.
THE FRONTAL BAND ASSOCIATED WITH THIS SYSTEM PUSHED INTO THE
CENTRAL COAST DURING THE LATE EVENING HOURS OF THE 24TH AND THE
EARLY EVENING HOURS OF THE 25TH...WITH RAIN REACHING LOS ANGELES
COUNTY DURING THE MORNING OF THE 26TH.

THE RAIN WAS HEAVY AT TIMES...AND PRODUCE SOME FLOODING OF ROADWAYS
THROUGHOUT THE REGION. THERE WERE SOME EMBEDDED THUNDERSTORMS WITHIN
THIS FRONTAL BAND...ESPECIALLY ACROSS THE COASTAL WATERS. THE
RAINFALL TOTAL OF 1.62 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD AND 1.53 INCHES AT CAMARILLO AIRPORT SET A NEW RECORDS FOR
THE DATE...BOTH BREAKING OLD RECORDS OF 0.94 INCHES SET IN 1977.

THE FRONT ALSO BROUGHT SOME GUSTY SOUTHEAST TO SOUTHWEST WINDS TO THE
REGION. PEAK WIND GUSTS INCLUDED 71 MPH AT CHILAO...60 MPH AT MOUNT
WILSON...59 MPH AT MILL CREEK...58 MPH AT CLEAR CREEK....57 MPH AT
GRASS MOUNTAIN 41 MPH AT LONG BEACH AIRPORT.

SOME RAINFALL TOTALS FOR THE FAST MOVING SYSTEM ON THE 25TH INTO THE
EARLY PART OF THE 26TH INCLUDED 3.38 INCHES AT CORRAL CANYON...3.27
INCHES AT THE MONTE NIDO FIRE STATION...3.24 INCHES AT DON VICTOR...
3.08 INCHES AT MALIBU CANYON...3.06 INCHES AT EL DESEO RANCH...2.89
INCHES AT HAINES CANYON...2.73 INCHES AT JUNCAL DAM...2.70 INCHES AT
SESPE CREEK ABOVE FILLMORE...2.64 INCHES AT NORDHOFF RIDGE...2.63
INCHES AT MATILIJA CANYON...2.60 INCHES AT THE LECHUZA FIRE
STATION...2.55 INCHES AT ROSE VALLEY...2.48 INCHES AT TANBARK FLATS
AND IN NEWHALL...2.40 INCHES AT BIG TUJUNGA DAM...2.37 INCHES AT
WHEELER GORGE...2.36 INCHES AT COGSWELL DAM...2.21 INCHES AT OLD MAN
MOUNTAIN...2.19 INCHES AT RED ROCK CREEK...2.16 INCHES AT CLEAR
CREEK...2.15 INCHES AT GIBRALTAR DAM...2.12 INCHES AT MALIBU
HILLS... 2.11 INCHES AT TANBARK...2.04 INCHES AT SAN MARCOS PASS...
2.02 INCHES IN WOODLAND HILLS...2.01 INCHES IN SUN VALLEY...AT
HOPPER CANYON...AND AT THE HOLLYWOOD RESERVOIR...1.98 INCHES AT
TECOLOTE CANYON...1.97 INCHES AT ROCKY PEAK...1.93 INCHES AT OPIDS
CAMP AND AT THE WEST FORK HELIPORT...1.89 INCHES AT CIRCLE X RANCH
AND PYRAMID LAKE...1.83 INCHES AT GETTY CENTER...1.74 INCHES IN
AGOURA HILLS AND AT SOUTH MOUNTAIN...1.71 INCHES AT SANTA PAULA...
1.67 INCHES AT LAKE SHERWOOD...1.65 INCHES AT LOS PRIETOS AND IN BEL
AIR...1.62 INCHES AT THE NATIONAL WEATHER SERVICE IN OXNARD...1.61
INCHES IN CANOGA PARK...1.53 INCHES AT CAMARILLO AIRPORT...1.51
INCHES AT CHEESEBORO...1.50 INCHES AT TEMESCAL...1.49 INCHES IN
OJAI...1.40 INCHES AT BURBANK AIRPORT...1.30 INCHES AT VAN NUYS
AIRPORT...1.26 INCHES AT UCLA...1.22 INCHES IN PASADENA...1.11
INCHES AT LOS ANGELES AIRPORT...1.10 INCHES AT HAWTHORNE...0.95
INCHES AT DOWNTOWN LOS ANGELES...0.99 INCHES AT SANTA BARBARA
AIRPORT...0.83 INCHES AT ROCKY BUTTE...0.81 INCHES AT POPPY
PARK...0.65 INCHES AT SAN LUIS OBISPO AIRPORT...0.63 INCHES AT SANTA
MARIA AIRPORT...0.55 INCHES AT CAMBRIA...0.52 INCHES AT MORRO
BAY...0.50 INCHES AT PASO ROBLES AIRPORT...0.41 INCHES ON THE
CARRIZO PLAIN...0.29 INCHES AT LANCASTER AIRPORT...AND 0.19 INCHES
AT PALMDALE AIRPORT.

IN THE MOUNTAINS...SNOW TOTALS INCLUDED 14 INCHES AT WRIGHTWOOD AT
6000 FEET AND AT THE MOUNTAIN HIGH RESORT AT 7000 FEET...12 INCHES
AT MOUNT PINOS AR 8800 FEET...10 INCHES AT FRAZIER PARK AT 6000
FEET...8 INCHES AT PINE MOUNTAIN CLUB AT 6500 FEET...6 INCHES AT
CUDDY VALLEY AT 6000 FEET...5 INCHES AT LOCKWOOD VALLEY AT 5500
FEET...4 INCHES AT PINON PINES AT 5500 FEET...AND 2 INCHES AT LAKE
OF THE WOODS AT 4500 FEET.

COOL AND DRY WEATHER RETURNED TO THE REGION ON THE 26TH AND 27TH. ON
THE 28TH...A WEAK FRONTAL SYSTEM BROUGHT SOME LIGHT RAIN TO SAN LUIS
OBISPO AND SANTA BARBARA COUNTIES. RAINFALL TOTALS ON THE 28TH WERE
GENERALLY LESS THAN ONE QUARTER OF AN INCH. SOME EXCEPTIONS INCLUDED
1.10 INCHES AT ROCKY BUTTE...0.59 INCHES AT UPPER TORO CREEK...0.46
INCHES AT LOS TABLAS...0.31 INCHES AT CAMBRIA...0.29 INCHES AT SAN
LUIS HARBOR...AND 0.27 INCHES AT POINT PIEDRAS BLANCAS.

BEHIND THE WEAK SYSTEM...A RIDGE BUILT INTO THE REGION...AND LIGHT
OFFSHORE FLOW DEVELOPED. THIS BROUGHT WARMER WEATHER TO THE FORECAST
AREA ON THE 29TH AND 30TH...WITH TEMPERATURES RISING INTO THE
70S IN THE VALLEYS. SOME 80 DEGREE READINGS WERE RECORDED IN THE
ANTELOPE VALLEY ON THE 30TH.

ON THE 31ST...AN UPPER TROUGH SWUNG INTO NORTHERN CALIFORNIA...AND
ITS FRONTAL SYSTEM BROUGHT MOSTLY LIGHT RAIN AND MOUNTAIN SNOWS TO
THE REGION ON THE 31ST INTO THE EARLY MORNING HOURS OF THE 1ST OF
APRIL. RAINFALL TOTALS WERE GENERALLY ONE QUARTER OF AN INCH OR
LESS. SOME EXCEPTIONS INCLUDED 0.79 INCHES AT ROCKY BUTTE...0.58
INCHES AT FIGUEROA MOUNTAIN...0.55 INCHES AT UPPER TORO CREEK AND
REFUGIO PASS...0.52 INCHES AT OPIDS CAMP...0.50 INCHES AT
TANBARK...0.48 INCHES AT SAN ANTONIO DAM...GAVIOTA...AND BALD
MOUNTAIN...0.44 INCHES AT LAS TABLAS AND CRYSTAL LAKE...0.43 INCHES
AT BRANCH MOUNTAIN AND SAN MARCOS PASS...0.39 INCHES AT CAMP
NINE...0.36 INCHES AT MORRIS DAM AND SAN GABRIEL DAM...0.35 INCHES
AT NORDHOFF RIDGE...WHITE LEDGE PEAK...SANTA ANITA DAM AND SANTA
BARBARA AIRPORT...0.34 INCHES AT MOUNT BALDY...0.28 INCHES AT LOMPOC
AND 0.26 INCHES AT PASO ROBLES AIRPORT.

AT FRAZIER PARK...3 INCHES OF SNOW FELL AT 5000 FEET...WHILE AT
MOUNT WILSON...2 INCHES OF SNOW WAS REPORTED AT 5000 FEET.


.............CLIMATE DATA FOR MARCH 2012.............

                   AVG   AVG   AVG   NORM   MONTH  TOTAL   NORM   PRECIP
                  HIGH   LOW  MONTH  MONTH  XTRMS  PRECIP PRECIP  % NORM
                  ------------------------------------------------------

L.A. DOWNTOWN      67.3  49.2  58.2  60.6   87/42   1.75   2.43    72%
L.A. ARPT          64.2  50.1  57.1  58.0   87/43   1.78   1.85    96%
LONG BEACH ARPT    67.7  49.4  58.5  59.5   91/41   1.40   1.87    75%
UCLA               65.5  50.0  57.8  59.3   85/42   2.27   2.84    80%
BURBANK ARPT       67.1  46.5  56.8  58.3   86/38   2.43   2.97    82%
LANCASTER ARPT     67.3  37.5  52.4  53.2   81/20   0.47   1.14    41%
SANDBERG           55.1  36.4  45.7  46.7   71/22   1.95   1.73   113%
CAMARILLO ARPT     65.5  45.0  55.3  56.2   88/35   2.35   2.65    89%
SANTA BARBARA ARPT 63.1  41.8  52.5  55.5   78/33   2.28   3.18    72%
SANTA MARIA ARPT   65.9  40.9  53.4  54.0   83/30   2.72   2.64   103%
PASO ROBLES ARPT   67.0  37.6  52.3  53.2   83/24   2.32   2.49    93%


****APRIL****


APRIL 2012 WAS SIGNIFICANTLY WETTER THAN NORMAL ACROSS THE REGION,
MOST STATIONS RECEIVE BETWEEN 180 AND 250 PERCENT OF NORMAL
PRECIPITATION FOR THE MONTH...PUTTING A SMALL DENT IN THE RAINFALL
DEFICITS FOR THE SEASON.

TEMPERATURES FOR THE MONTH AVERAGED GENERALLY WITHIN A DEGREE OR SO
OF NORMAL IN MOST LOCATION. FREEZING TEMPERATURES WERE CONFINED THE
THE MOUNTAINS...THE ANTELOPE VALLEY...INTERIOR VALLEYS OF SAN LUIS
OBISPO COUNTY AND THE CUYAMA VALLEY. EVEN THE OJAI VALLEY
EXPERIENCED A LIGHT FREEZE ON ONE DAY IN EARLY APRIL.

STRONG AND GUSTY NORTHWEST TO NORTH WINDS DEVELOPED BEHIND A WEAK
COLD FRONT WHICH MOVED THROUGH THE REGION ON THE 31ST OF MARCH AND
EARLY ON THE 1ST OF APRIL. THE STRONG WINDS CONTINUED INTO THE 2ND.
PEAK WIND GUSTS INCLUDED 76 MPH AT WARM SPRINGS...75 MPH AT WHITAKER
PEAK...59 MPH AT POPPY PARK...57 MPH AT TOPANGA HILLS...56 MPH AT
DEL VALLE...54 MPH AT POPPY PARK...,53 MPH AT MALIBU HILLS...52 MPH
AT LEO CARRILLO BEACH AND CAMP NINE...51 MPH AT LANCASTER
AIRPORT...48 MPH AT OJAI...46 MPH AT SAUGUS AND SANDBERG...44 MPH AT
VAN NUYS AND POINT MUGU...AND 39 MPH AT CAMARILLO.

AFTER A CHILLY DAY ON THE 1ST...SIGNIFICANT WARMING TOOK PLACE ON
THE 2ND...THEN DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES
CONTINUED THROUGH THE 3RD. A UPPER TROUGH MOVING INTO THE WEST COAST
BROUGHT SOME COOLING ON THE 4TH...WITH ADDITIONAL COOLING ON THE
5TH...ON WHICH MOST STATIONS EXPERIENCED BELOW NORMAL TEMPERATURES.

GUSTY WINDS AFFECTED MUCH OF THE REGION ON THE 4TH AND 5TH. PEAK
WIND GUSTS INCLUDED 64 MPH AT WHITAKER PEAK...59 MPH AT CAMP
NINE...49 MPH AT POPPY PARK...48 MPH AT MALIBU HILLS...46 MPH AT
CLEAR CREEK...44 MPH AT LAKE PALMDALE AND SANDBERG...43 MPH AT
LANCASTER AIRPORT...40 MPH AT LOMPOC AIRPORT...AND 38 MPH AT SANTA
MARIA AIRPORT.

ON THE 6TH...THE LOW TEMPERATURE OF 29 DEGREES AT PASO ROBLES
AIRPORT BROKE THE RECORD LOW FOR THE DAY WHICH WAS 30 DEGREES SET IN
1955. THE LOW TEMPERATURE AT OJAI IN THE OJAI VALLEY DROPPED
SLIGHTLY BELOW FREEZING...TO 31 DEGREES.

AN UPPER RIDGE AND WEAK OFFSHORE FLOW BROUGHT SIGNIFICANT WARMING TO
THE REGION ON THE 7TH. TEMPERATURES CLIMBED WELL INTO THE 80S IN
THE VALLEYS...AND ABOVE 80 DEGREES ACROSS MUCH OF THE COASTAL PLAIN.
INTERESTINGLY...DUE TO THE CLEAR SKIES AND DRY CONDITIONS...SOME
RECORD LOW TEMPERATURES WERE SET ON THE 7TH. THE LOW TEMPERATURES OF
25 DEGREES AT LANCASTER AIRPORT BROKE THE OLD RECORD OF 31 DEGREES
SET IN 1983. THE LOW OF 38 DEGREES AT SANTA BARBARA AIRPORT BROKE
THE PREVIOUS RECORD OF 40 DEGREES SET IN 1975...AND THE LOW OF 29
DEGREES AT PALMDALE AIRPORT TIED THE DAILY RECORD SET IN 1975.

EXCEPT FOR THE MOUNTAINS AND DESERTS WHERE AFTERNOON TEMPERATURES
WERE HIGHER ON THE 8TH AND 9TH...THERE WAS SLIGHT COOLING ELSEWHERE.
STILL...TEMPERATURES REMAINED WELL ABOVE NORMAL IN MOST AREAS.
CHILLY MORNINGS CONTINUED ACROSS THE INTERIOR. ON THE 8TH...THE LOW
TEMPERATURE OF 28 DEGREES AT LANCASTER AIRPORT BROKE THE DAILY
RECORD...WHICH WAS 31 DEGREES SET IN 1998.

ON THE 10TH...AN UPPER LOW OFF THE NORTHERN CALIFORNIA COAST DROPPED
SOUTHWARD TOWARD THE REGION. ITS ASSOCIATED COLD FRONT BROUGHT RAIN
TO THE FORECAST AREA ON THE 10TH INTO THE 11TH. RAIN OVERSPREAD
SANTA BARBARA AND SAN LUIS OBISPO COUNTIES DURING THE LATE AFTERNOON
AND EVENING HOURS...REACHING THE LOS ANGELES BASIN JUST BEFORE
MIDNIGHT. THE RAIN WAS HEAVY AT TIMES...AND CAUSED SOME MINOR
ROADWAY FLOODING ACROSS THE REGION. THE MAIN BAND OF RAIN EXITED THE
FORECAST AREA IN THE MORNING...BUT UNSTABLE CONDITIONS CAUSED
SCATTERED SHOWERS TO LINGER INTO THE EVENING HOURS. IN THE
MOUNTAINS...SNOW FELL ABOVE THE 5000 FOOT LEVEL.

SOME RAINFALL TOTALS INCLUDED 2.00 INCHES AT WEST CAMINO
CIELO...1.93 INCHES AT REFUGIO PASS...1.84 INCHES IN GAVIOTA...1.83
INCHES AT SAN MARCOS PASS...1.82 INCHES AT EL DESEO RANCH...1.72
INCHES AT THE KTYD RADIO STATION TOWER...1.69 INCHES AT THE SANTA
BARBARA BOTANIC GARDENS...1.55 INCHES AT MONTECITO HILLS...1.53
INCHES AT ROCKY PEAK...1.52 INCHES IN THE CITY OF SANTA
BARBARA...1.49 INCHES AT CACHUMA DAM...1.48 INCHES AT CORRAL
CANYON...1.42 INCHES AT OLD MAN MOUNTAIN...1.36 INCHES AT
CARPINTERIA...1.34 INCHES AT NORDHOFF RIDGE...1.32 INCHES AT STATION
CANYON...1.30 INCHES AT RANCHO SAN JULIAN AND ALISAL
RESERVOIR...1.28 INCHES AT SANTA BARBARA AIRPORT...1.27 INCHES AT
OPIDS CAMP...1.26 INCHES IN BEVERLY HILLS...1.25 INCHES AT LOS
PRIETOS...1.24 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD...1.22 INCHES AT THE MONTE NIDO FIRE STATION...1.20 INCHES IN
BUELLTON...1.17 INCHES IN SANTA YNEZ AND IN VENTURA...1.15 INCHES IN
SOLVANG AND IN AGOURA HILLS...1.14 INCHES IN NEWHALL...1.06 INCHES
AT CRYSTAL LAKE...1.04 INCHES IN FILLMORE...0.99 INCHES AT WEST FORK
HELIPORT...0.96 INCHES AT CAMARILLO AIRPORT AND SAN LUIS OBISPO
AIRPORT...0.94 INCHES AT VAN NUYS AIRPORT...0.91 INCHES IN CANOGA
PARK...0.90 INCHES IN BEL AIR...0.89 INCHES AT SANTA MARIA
AIRPORT...0.88 INCHES AT BURBANK AIRPORT... 0.87 INCHES AT NIPOMO
AND PISMO BEACH...0.82 INCHES IN PASADENA...0.81 INCHES IN SAN
GABRIEL...0.73 INCHES IN DOWNTOWN LOS ANGELES...0.72 INCHES AT
HAWTHORNE AIRPORT AND AT UCLA...0.67 INCHES AT LONG BEACH
AIRPORT...0.63 INCHES AT LOS ANGELES AIRPORT AND IN CLAREMONT...0.43
INCHES IN SAUGUS...0.31 INCHES AT SANTA MONICA AIRPORT...0.15 INCHES
AT PASO ROBLES AIRPORT...0.08 INCHES AT PALMDALE AIRPORT AND 0.03
INCHES AT LANCASTER AIRPORT.

IN THE MOUNTAINS...6 INCHES OF SNOW FELL AT MOUNT PINOS AT 8200
FEET...4 INCHES OF SNOW FELL AT MOUNTAIN HIGH AT 7000 FEET AND PINE
MOUNTAIN AT 6500 FEET...3 INCHES OF SNOW FELL AT PINON PINE AT 5500
FEET...2 INCHES WAS REPORTED AT WRIGHTWOOD AT 6100 FEET...AND AN
INCH OF SNOW FEEL AT MOUNT WILSON AT 5700 FEET AND IN LOCKWOOD
VALLEY AT 5000 FEET.

ANOTHER UPPER LOW DROPPED SOUTHEASTWARD FROM THE PACIFIC ON THE
12TH. RAIN FROM THIS SYSTEM SPREAD INTO SAN LUIS OBISPO COUNTY BY
NOON ON THE 12TH...BUT RAIN DID NOT REACH MOST OF LOS ANGELES COUNTY
UNTIL LATE IN THE EVENING OR DURING THE EARLY MORNING HOURS OF 13TH.
THERE WAS WIDESPREAD THUNDERSTORM ACTIVITY WITH THIS
SYSTEM...AFFECTING SANTA BARBARA AND SAN LUIS OBISPO COUNTIES DURING
THE PRE DAWN HOURS...A FEW OF WHICH APPROACHED SEVERE LEVELS...AND
VENTURA AND LOS ANGELES COUNTIES FROM MID MORNING THROUGH MID
AFTERNOON. MANY OF THE THUNDERSTORMS PRODUCED PEA SIZED HAIL. THE
RAIN WAS HEAVY AT TIMES...CAUSING WIDESPREAD PONDING OF WATER ON
ROADWAY...WITH SOME FLOODING OF LOW LYING AREAS AND INTERSECTIONS.

GUSTY WINDS AFFECTED MUCH OF THE REGION AHEAD OF AND WITH THE FRONT.
PEAK GUSTS INCLUDED 57 MPH AT CLEAR CREEK AND CHILAO...53 MPH AT
LAKE PALMDALE...51 MPH AT VALYERMO...LITTLE TUJUNGA AND
TOPANGA HILLS...50 MPH AT MALIBU CANYON AND DEL VALLE...49 MPH AT
WHITAKER PEAK...48 MPH AT NEWHALL PASS AND ACTON...46 MPH AT SAN
RAFAEL HILLS...44 MPH AT WILEY RIDGE...40 MPH AT AVALON
AIRPORT...AND 36 MPH AT POINT MUGU.

SOME RAINFALL TOTALS FROM THE STORM INCLUDED 3.15 INCHES AT NORDHOFF
RIDGE...2.64 INCHES IN ROSE VALLEY...2.44 INCHES AT OPIDS
CAMP...2.41 INCHES AT LAS TABLAS...2.40 INCHES AT BLACK MOUNTAIN AND
WHITE LEDGE PEAK...2.37 INCHES AT LAKE PIRU...2.26 INCHES AT SAN
LUIS OBISPO CAL POLY...2.25 INCHES AT SAN GABRIEL DAM...1.97 INCHES
AT WEST FORK HELIPORT...1.95 INCHES AT TANBARK...1.86 INCHES AT
STEWART CANYON AND IN PIRU...1.76 INCHES AT SAN LUIS OBISPO
AIRPORT...1.75 INCHES AT BRANCH MOUNTAIN...1.74 INCHES AT PACOIMA
DAM...1.65 INCHES AT WARM SPRINGS...1.61 INCHES IN OJAI AND IN
CANOGA PARK...1.59 INCHES AT MONTECITO HILLS...1.58 INCHES ON THE
CARRIZO PLAIN...1.57 INCHES IN NEWHALL...1.56 INCHES AT PASO ROBLES
AIRPORT...1.54 INCHES AT CHEESEBORO...1.53 INCHES AT MORRIS
DAM...1.51 INCHES AT SANTA FE DAM....1.41 INCHES IN AGOURA HILLS AND
AT HANSEN DAM...1.38 INCHES IN LOS PRIETOS AND IN LA VERNE...1.35
INCHES AT WHITAKER PEAK AND IN CLAREMONT...1.24 INCHES AT VAN NUYS
AIRPORT...1.22 INCHES IN POPPY PARK...1.15 INCHES IN WOODLAND
HILLS...1.09 INCHES IN NORTHRIDGE...1.08 INCHES AT SANTA MARIA
AIRPORT...1.00 INCHES IN SAUGUS...0.96 INCHES IN PASADENA...0.90
INCHES IN SAN GABRIEL...0.89 INCHES AT BURBANK AIRPORT...0.87 INCHES
AT THE MONTE NIDO FIRE STATION...0.79 INCHES AT LANCASTER
AIRPORT...0.73 INCHES IN SIMI VALLEY...0.68 INCHES IN VENTURA...0.66
INCHES IN BEVERLY HILLS...0.63 INCHES IN BEL AIR AND AT HAWTHORNE
AIRPORT...0.62 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD...0.60 INCHES AT SANTA BARBARA AIRPORT...0.59 INCHES AT
CAMARILLO AIRPORT...0.54 INCHES AT PALMDALE AIRPORT...0.49 INCHES IN
DOWNTOWN LOS ANGELES...0.45 INCHES AT LONG BEACH AIRPORT...0.44
INCHES AT LOS ANGELES AIRPORT AND 0.42 INCHES AT UCLA.

IN THE MOUNTAINS...10 INCHES OF SNOW FELL AT WRIGHTWOOD AT 6300
FEET...WHILE 7 INCHES FELL AT 6000 FEET...3 INCHES WAS RECORDED AT
FRAZIER PARK AT 5000 FEET AND 2 INCHES OF SNOW FELL AT LOCKWOOD
VALLEY AT 5300 FEET.

ON THE 12TH...THE DAILY RAINFALL OF 0.20 INCHES AT PASO ROBLES
AIRPORT SET A NEW RECORD FOR THE DATE. THE PREVIOUS RECORD WAS 0.14
INCHES...SET IN 2010 AND 2003.

MANY DAILY RAINFALL RECORDS WERE SET ON THE 13TH...INCLUDING 1.37
INCHES AT PASO ROBLES AIRPORT WHICH BROKE THE RECORD OF 0.53 INCHES
SET IN 2003...0.94 INCHES AT SANTA MARIA AIRPORT WHICH BROKE THE
RECORD OF 0.43 INCHES SET IN 2003...0.89 INCHES AT BURBANK AIRPORT
WHICH BROKE THE RECORD OF 0.36 INCHES SET IN 1976...0.79 INCHES AT
LANCASTER AIRPORT WHICH BROKE THE RECORD OF 0.22 INCHES SET IN
1998...0.56 INCHES AT CAMARILLO AIRPORT WHICH BROKE THE RECORD OF
0.31 INCHES SET IN 2003...0.54 INCHES AT PALMDALE AIRPORT WHICH
BROKE THE RECORD OF 0.47 INCHES SET IN 1956...0.49 INCHES AT
DOWNTOWN LOS ANGELES WHICH BROKE THE RECORD OF 0.29 INCHES SET IN
1956...0.45 INCHES AT LONG BEACH AIRPORT...WHICH BROKE THE RECORD OF
0.07 INCHES SET IN 1976...0.44 INCHES AT LOS ANGELES AIRPORT WHICH
BROKE THE RECORD OF 0.41 INCHES SET IN 1956.

MANY DAILY RECORD LOW MAXIMUM TEMPERATURES WERE RECORDED ON THE 13TH
AS WELL...INCLUDING A HIGH OF 51 DEGREES AT LANCASTER AIRPORT WHICH
BROKE THE RECORD OF 53 DEGREES SET IN 1956...53 DEGREES AT BURBANK
AIRPORT WHICH BROKE THE RECORD OF 55 DEGREES IN 1956...55 DEGREES AT
SANTA BARBARA AIRPORT WHICH BROKE THE RECORD OF 58 DEGREES SET IN
1956...57 DEGREES AT CAMARILLO AIRPORT AND AT THE NATIONAL WEATHER
SERVICE IN OXNARD WHICH BOTH BROKE RECORDS OF 59 DEGREES SET IN
1999...AND 59 DEGREES AT LONG BEACH AIRPORT WHICH BROKE THE RECORD
OF 61 DEGREES SET IN 1976.

AT PASO ROBLES AIRPORT...THE HIGH OF 56 DEGREES TIED THE DAILY
RECORD LOW MAXIMUM TEMPERATURE SET IN 1976...WHILE AT SANTA MARIA
AIRPORT...THE HIGH OF 57 DEGREES TIED THE DAILY RECORD SET IN 1999.

DRY WEATHER RETURNED ON THE 14TH...BUT IT REMAINED QUITE COOL
THROUGH THE 15TH.

ON THE 14TH...THE LOW TEMPERATURE OF 45 DEGREES AT LOS ANGELES
AIRPORT SET A RECORD LOW FOR THE DATE...WHICH HAD BEEN 46 DEGREES
SET IN 1965. THE LOW TEMPERATURE OF 39 DEGREES AT BURBANK AIRPORT
TIED THE RECORD LOW FOR THE DATE SET IN 1983...WHILE THE LOW OF 45
DEGREES AT LONG BEACH AIRPORT TIED THE DAILY RECORD SET IN
1970...AND THE LOW OF 43 DEGREES AT UCLA TIED THE DAILY RECORD SET
IN 1956.

THE HIGH TEMPERATURE OF 54 DEGREES AT PALMDALE AIRPORT SET A NEW
RECORD LOW MAXIMUM FOR THE DATE...BREAKING THE RECORD OF 55 DEGREES
SET IN 1998. THE HIGH OF 60 DEGREES AT LOS ANGELES AIRPORT TIED THE
DAILY RECORD LOW MAXIMUM SET IN 1998.

SIGNIFICANT WARMING TOOK PLACE ON THE 16TH AS AN UPPER RIDGE BUILT
INTO THE REGION...THEN AS GENERAL RIDGING LINGERED OVER THE
REGION...ABOVE NORMAL TEMPERATURES PERSISTED IN MOST AREAS
THROUGH THE 21ST. CONDITIONS REALLY HEATED UP ACROSS THE DESERTS AND
INTERIOR VALLEYS ON THE 19TH...WITH HIGHS EXCEEDING 90 DEGREES IN A
FEW LOCATIONS IN THE SANTA CLARITA VALLEY...AND APPROACHING 90
DEGREES IN THE WARMEST PARTS OF THE SAN FERNANDO VALLEY...THE OJAI
VALLEY AND THE ANTELOPE VALLEY.

THE 20TH WAS THE HOTTEST DAY OF THE MONTH IN MOST MOUNTAIN...VALLEY
AND DESERT LOCATIONS. HIGH TEMPERATURES ROSE WELL INTO THE 90S IN
THE VALLEYS AND THE ANTELOPE VALLEY...AND EVEN REACH 100 DEGREES AT
CHATSWORTH. THE HIGH TEMPERATURE OF 99 DEGREES AT WOODLAND HILLS
TIED THE RECORD FOR THE DATE SET IN 1958.

THE LOW TEMPERATURE OF 55 DEGREES AT SANTA MARIA AIRPORT TIED THE
RECORD HIGH MINIMUM FOR THE DATE SET IN 1983.

SOME COOLING BEGAN WEST OF THE MOUNTAINS ON THE 21ST AS ONSHORE FLOW
INCREASED AHEAD OF AN APPROACHING TROUGH. HOWEVER...IT ACTUALLY
CONTINUED TO WARM IN THE MOUNTAINS AND DESERTS. THE HIGH TEMPERATURE
OF 95 DEGREES AT LANCASTER AIRPORT ON THE 21ST BROKE THE DAILY
RECORD OF 94 DEGREES SET IN 2009...WHILE THE HIGH OF 83 DEGREES AT
SANDBERG BROKE THE RECORD OF 82 DEGREES SET IN 2009.

NIGHT THROUGH MORNING LOW CLOUDS AND FOG BECAME WIDESPREAD IN
COASTAL AND VALLEY AREAS ON THE 22ND...AND ADDITIONAL COOLING
OCCURRED IN ALL AREAS EXCEPT FOR THE DESERTS AND MOUNTAINS AS THE
TROUGH APPROACHED THE REGION. THE HIGH TEMPERATURE OF 94 DEGREES AT
PALMDALE AIRPORT BROKE THE DAILY RECORD OF 92 DEGREES SET IN 1998.
ON THE OTHER EXTREME...THE HIGH TEMPERATURE OF 57 DEGREES AT SANTA
BARBARA AIRPORT TIED THE RECORD LOW MAXIMUM FOR THE DATE SET IN
1954. THE LOW TEMPERATURE OF 64 DEGREES AT SANDBERG SET A DAILY
RECORD FOR THE HIGHEST MINIMUM TEMPERATURE...BREAKING THE RECORD OF
59 DEGREES SET IN 2009.

THE MARINE LAYER DEEPENED SIGNIFICANTLY ON THE 23RD...WITH CLOUDS
REACHING THE COASTAL SLOPES. SOME DRIZZLE EVEN DEVELOPED IN COASTAL
AND VALLEY AREAS...AND SEVERAL LOCATIONS REPORTED VERY LIGHT AMOUNTS
OF MEASURABLE RAIN...LESS THAN ONE TENTH OF AN INCH. IT WAS VERY
CHILLY WEST OF THE MOUNTAINS ON THE 23RD...WITH HIGH TEMPERATURES
15 TO 20 DEGREES BELOW NORMAL IN THE VALLEYS.

WHILE THE DAY WAS CHILLY...THE CLOUD COVER KEPT THE NIGHTS RATHER
MILE. ON THE 23RD...THE LOW OF 53 DEGREES AT SANTA MARIA AIRPORT SET
A DAILY RECORD FOR THE HIGHEST MINIMUM TEMPERATURE...BREAKING THE
RECORD OF 52 DEGREES SET IN 2009. THE LOW OF 52 DEGREES AT PASO
ROBLES AIRPORT SET A DAILY RECORD FOR THE HIGHEST MINIMUM
TEMPERATURE...BREAKING THE RECORD OF 51 DEGREES SET IN 1998.

ON THE 24TH...WEAK RIDGING BROUGHT A REDUCTION IN THE MARINE
LAYER...AND MAXIMUM TEMPERATURES WARMED BY AROUND 10 DEGREES IN MANY
COASTAL AND VALLEY AREAS. THE LOW TEMPERATURE OF 55 DEGREES AT BOTH
SANTA MARIA AIRPORT AND PASO ROBLES AIRPORT SET DAILY RECORD HIGH
MINIMUM TEMPERATURES. THE PREVIOUS RECORD AT SANTA MARIA AIRPORT WAS
53 DEGREES SET IN 1959...WHILE THE PREVIOUS RECORD AT PASO ROBLES
AIRPORT WAS 52 DEGREES SET IN 2011.

AN UPPER LOW MOVING THROUGH THE PACIFIC TRACKED SOUTHEASTWARD...
PASSING JUST TO THE WEST OF THE REGION LATE ON THE 25TH AND EARLY ON
THE 26TH. DESPITE THE APPROACHING STORM SYSTEM...LOW LEVEL OFFSHORE
FLOW ACTUALLY BROUGHT SIGNIFICANT WARMING TO COASTAL AND VALLEY
AREAS ON THE 25TH...ESPECIALLY ACROSS VENTURA AND LOS ANGELES
COUNTIES...WHERE TEMPERATURES JUMPED INTO THE 80S. DURING THE
AFTERNOON...ISOLATED THUNDERSTORMS DEVELOPED ACROSS THE INNER WATERS
AHEAD OF THE UPPER LOW. A GUST FRONT BROUGHT A 15 MINUTE PERIOD OF
GUSTY WINDS TO MUCH OF VENTURA AND LOS ANGELES COUNTIES DURING MID
AFTERNOON...AND TEMPERATURES FELL 15 TO 20 DEGREES IN MANY AREAS IN
A MATTER OF MINUTES.

THE LOW TEMPERATURE OF 55 DEGREES AT SANTA MARIA AIRPORT SET A NEW
RECORD HIGH MINIMUM TEMPERATURE FOR THE DATE...BREAKING THE OLD RECORD
OF 54 DEGREES IN 1959. THE LOW OF 56 DEGREES AT PASO ROBLES AIRPORT
ALSO SET A NEW DAILY RECORD HIGH MINIMUM TEMPERATURE...BREAKING THE
OLD RECORD OF 50 DEGREES IN 1978.

SOME WIND GUSTS INCLUDED 52 MPH AT MALIBU HILLS...51 MPH AT
CHEESEBORO AND WILEY RIDGE...50 MPH IN AGOURA HILLS...49 MPH AT
CAMARILLO AIRPORT...47 MPH IN SIMI VALLEY...45 MPH AT AVALON
AIRPORT...44 MPH AT LOS ANGELES AIRPORT...43 MPH AT OXNARD
AIRPORT...42 MPH AT MALIBU CANYON...41 MPH AT HAWTHORNE AIRPORT AND
IN THOUSAND OAKS...AND 38 MPH AT BURBANK AIRPORT AND AT POINT MUGU.

RAIN WITH THE FRONTAL SYSTEM SPREAD INTO SANTA BARBARA AND SAN LUIS
OBISPO COUNTIES IN THE AFTERNOON OF THE 25TH...AND INTO VENTURA AND
LOS ANGELES COUNTIES DURING THE EVENING. RAIN ENDED DURING THE
MORNING HOURS IN MOST AREAS.

SOME RAINFALL TOTALS INCLUDED 0.98 INCHES IN PASADENA...0.72 INCHES
AT OPIDS CAMP...0.71 INCHES AT SANTA ANITA DAM...0.68 INCHES AT
GAVIOTA...0.63 INCHES AT SUDDEN PEAK...0.62 INCHES AT AVALON...0.61
INCHES AT CELITE...0.59 INCHES AT RANCHO SAN JULIAN...0.56 INCHES AT
ROCKY BUTTE...MALIBU HILLS AND CARBON CANYON...0.54 INCHES AT
HAWTHORNE AIRPORT AND IN LOMPOC...0.53 INCHES AT BEVERLY
HILLS...0.51 INCHES IN SOUTH GATE AND AT THE HOLLYWOOD
RESERVOIR...0.49 INCHES AT DOWNTOWN LOS ANGELES...0.48 INCHES AT THE
WEST FOR HELIPORT...0.47 INCHES IN CAMBRIA...0.44 INCHES AT CRYSTAL
LAKE AND IN BEL AIR...0.43 INCHES AT MOUNT WILSON...0.42 INCHES AT LOS
ANGELES AIRPORT...0.40 INCHES AT LONG BEACH AIRPORT AND IN
SOLVANG...0.39 INCHES AT UCLA...0.37 INCHES AT BURBANK AIRPORT AND
IN SAN GABRIEL...0.36 INCHES AT SHANDON...0.31 INCHES AT CIRCLE X
RANCH...OLD MAN MOUNTAIN...AND AT SANTA MARIA AIRPORT...0.29 INCHES
AT SANTA BARBARA AIRPORT...0.28 INCHES AT SAN LUIS OBISPO
AIRPORT...0.24 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD...0.20 INCHES IN AGOURA HILLS...NORTHRIDGE AND AT PASO ROBLES
AIRPORT...0.16 INCHES AT VAN NUYS AIRPORT...0.14 INCHES AT CAMARILLO
AIRPORT AND JUST A TRACE AT LANCASTER AND PALMDALE AIRPORTS.

DUE TO THE MORNING RAIN AND PLENTY OF CLOUDINESS...IT WAS RATHER
CHILLY ACROSS THE REGION ON THE 26TH. A WARMING TREND BEGAN ON THE
27TH...THEN TEMPERATURES WERE GENERALLY SOMEWHAT ABOVE NORMAL ON THE
28TH AND 29TH. A WEAK TROUGH MOVING INTO THE WEST COAST CAUSED A
DEEPENING MARINE LAYER WITH WIDESPREAD NIGHT THROUGH MORNING LOW
CLOUDS AND FOG IN COASTAL AND VALLEY AREAS ON THE 30TH. THIS BROUGHT
TEMPERATURES DOWN TO BELOW NORMAL LEVELS WEST OF THE
MOUNTAINS...WHILE THE MOUNTAINS AND ANTELOPE VALLEY REMAINED RATHER
WARM.


.............CLIMATE DATA FOR APRIL 2012.............

                   AVG   AVG   AVG   NORM   MONTH  TOTAL   NORM   PRECIP
                  HIGH   LOW  MONTH  MONTH  XTRMS  PRECIP PRECIP  % NORM
                  ------------------------------------------------------

L.A. DOWNTOWN      72.5  52.7  62.6  63.1   85/44   1.71   0.91   186%
L.A. ARPT          66.4  53.0  59.7  60.1   82/45   1.51   0.70   214%
LONG BEACH ARPT    72.8  53.3  63.1  62.4   86/45   1.53   0.60   255%
UCLA               68.6  52.4  60.5  61.3   82/43   1.82   0.97   188%
BURBANK ARPT       73.1  50.4  61.7  61.5   95/39   2.14   1.11   193%
LANCASTER ARPT     75.7  44.5  60.1  59.1   95/25   0.82   0.35   234%
SANDBERG           61.0  42.5  51.8  50.4   83/27   1.51   0.63   240%
CAMARILLO ARPT     67.5  48.1  57.8  58.3   82/40   1.69   0.79   214%
SANTA BARBARA ARPT 64.7  46.1  55.4  57.5   73/38   2.24   1.00   224%
SANTA MARIA ARPT   68.5  44.9  56.7  55.6   81/34   2.31   0.98   236%
PASO ROBLES ARPT   73.9  42.9  58.4  56.9   96/29   1.92   0.68   282%

$$

DB

000
WWUS86 KLOX 160448
SPSLOX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
948 PM PDT TUE MAY 15 2012

CAZ034>041-044>046-051>054-059-087-088-547-548-170400-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY MOUNTAINS-
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
948 PM PDT TUE MAY 15 2012

...SOUTHWESTERN CALIFORNIA WEATHER SUMMARY FOR MARCH AND APRIL
   2012...

****MARCH****

MARCH 2012 WAS GENERALLY SLIGHTLY DRIER THAN NORMAL ACROSS
SOUTHWESTERN CALIFORNIA. MOST AREAS RECEIVED 70 TO 90 PERCENT OF
NORMAL RAINFALL FOR THE MONTH...ALTHOUGH A FEW LOCATIONS RECEIVED
SLIGHTLY ABOVE NORMAL RAINFALL. ACROSS THE ANTELOPE
VALLEY...RAINFALL WAS GENERALLY ABOUT 50 PERCENT OF NORMAL.

TEMPERATURES FOR THE MONTH AVERAGED 1 TO 3 DEGREES BELOW NORMAL
ACROSS THE REGION. HARD FREEZES WERE COMMON EARLY IN THE MONTH
ACROSS THE MOUNTAINS AND DESERTS...THE INTERIOR VALLEYS OF SAN LUIS
OBISPO COUNTY AND THE CUYAMA VALLEY. ELSEWHERE...TEMPERATURES
REMAINED ABOVE FREEZING...EXCEPT LIGHT FREEZES OCCURRED ON
A COUPLE OF DAYS ACROSS INTERIOR PORTIONS OF THE CENTRAL COAST...AND
IN THE SANTA YNEZ AND OJAI VALLEYS.

THE MONTH BEGAN ON A COOL AND WINDY NOTE. GUSTY WEST TO NORTHWEST
WINDS SWEPT INTO THE REGION BEHIND A COLD FRONT. PEAK WIND GUSTS ON
THE 1ST INCLUDED 61 MPH AT WHITAKER PEAK...60 MPH AT CAMP NINE...55
MPH AT LANCASTER AIRPORT...53 MPH AT POPPY PARK AND 45 MPH AT
PALMDALE AIRPORT.

THE WINDS SHIFTED TO THE NORTH AND NORTHEAST LATE ON THE 1ST...AND
STRONG TO DAMAGING WINDS PERSISTED THROUGH THE MORNING OF THE 3RD.
AFTER THE WIND SHIFT...PEAK WIND GUSTS FROM THE 2ND THROUGH THE 3RD
INCLUDED 85 MPH AT LAGUNA PEAK...74 MPH AT WARM SPRINGS...73 MPH AT
CAMP NINE...67 MPH AT WHITAKER PEAK AND WILEY RIDGE...60 MPH AT
CHILAO AND CHEESEBORO...56 MPH AT NEWHALL PASS...52 MPH AT
CAMARILLO...49 MPH IN SAUGUS AND SIMI VALLEY...48 MPH AT LEO
CARRILLO BEACH...46 MPH AT DEL VALLE AND PIRU AND 41 MPH AT POINT
MUGU. WARMING BEGAN WEST OF THE MOUNTAINS ON THE 2ND...WITH HIGH
TEMPERATURES BACK TO NEAR NORMAL LEVELS IN MOST AREAS...THEN WARMING
CONTINUED THROUGH THE 4TH AS A STRONG UPPER LEVEL HIGH PRESSURE
SYSTEM BUILT INTO THE REGION.

THE 4TH WAS THE WARMEST DAY OF THE MONTH AT MOST REPORTING STATIONS
ACROSS THE REGION. THE HIGH TEMPERATURE ON THE 4TH REACHED 91
DEGREES AT LONG BEACH AIRPORT...90 DEGREES AT PASADENA AND SAN
GABRIEL...89 DEGREES AT HAWTHORNE AIRPORT AND FILLMORE...88 DEGREES
AT POMONA...CHATSWORTH...CAMARILLO AIRPORT AND OJAI...87 DEGREES AT
DOWNTOWN LOS ANGELES...LOS ANGELES AIRPORT...WOODLAND HILLS AND
SAUGUS...86 DEGREES IN SANTA YNEZ...AT BURBANK AIRPORT AND AT VAN
NUYS AIRPORT...85 DEGREES AT SAN LUIS OBISPO AIRPORT AND AT THE
NATIONAL WEATHER SERVICE IN OXNARD AND 83 DEGREES AT SANTA MARIA
AIRPORT. DAILY HIGH TEMPERATURE RECORDS WERE SET AT LOS ANGELES
AIRPORT...LONG BEACH AIRPORT...CAMARILLO AIRPORT...SANTA MARIA
AIRPORT AND AT THE NATIONAL WEATHER SERVICE IN OXNARD.

THE UPPER HIGH BEGAN TO BREAK DOWN AND SHIFT EASTWARD ON THE
5TH...BRINGING SOME COOLING TO THE REGION...ALTHOUGH TEMPERATURES
WERE STILL WELL ABOVE NORMAL. IN FACT...THE HIGH TEMPERATURE OF 83
DEGREES AT PASO ROBLES AIRPORT SET A RECORD FOR THE DATE...AND THE
HIGH OF 82 DEGREES AT UCLA TIED A DAILY RECORD SET IN 2007. ALSO AT
UCLA...THE LOW TEMPERATURE OF 65 DEGREES SET A RECORD HIGH MINIMUM
TEMPERATURE FOR THE DATE...BREAKING THE PREVIOUS RECORD OF 61
DEGREES IN 2007.

TREMENDOUS COOLING OCCURRED ACROSS THE REGION ON THE 6TH AS A
COLD LOW PRESSURE SYSTEM THAT ORIGINATED IN THE GULF OF ALASKA
DROPPED SOUTHEASTWARD INTO NORTHERN AND CENTRAL CALIFORNIA AND ITS
ASSOCIATED FRONTAL SYSTEM SWEPT THROUGH THE REGION. HIGH
TEMPERATURES WERE MORE THAN 20 DEGREES COOLING IN MANY AREA THAN ON
THE 5TH.

ALTHOUGH THE FRONT ONLY BROUGHT A FEW LIGHT SHOWERS TO THE
REGION...IT USHERED IN PLENTY OF COLD AIR AND STRONG AND GUSTY
WEST TO NORTHWEST WINDS ON THE 6TH. THE WINDS SHIFTED TO A MORE
NORTHERLY DIRECTION AND REMAINED GUSTY INTO THE 7TH. PEAK WIND GUSTS
IN THE 6TH AND 7TH INCLUDED 76 MPH AT WHITAKER PEAK...62 MPH AT LAKE
PALMDALE...58 MPH IN SAUGUS...55 MPH AT POPPY PARK...54 MPH AT
LANCASTER AIRPORT...53 MPH AT LAGUNA PEAK...52 MPH AT PALMDALE
AIRPORT AND AT CAMP NINE...51 MPH AT WARM SPRINGS...47 MPH AT PASO
ROBLES AIRPORT...45 MPH AT SANTA MARIA AIRPORT AND VANDENBERG
AFB...44 MPH AT SAN LUIS OBISPO AIRPORT...43 MPH AT OXNARD
AIRPORT...39 MPH AT VAN NUYS AIRPORT AND 36 MPH AT SANTA BARBARA
AIRPORT. AT 130 PM ON THE 6TH...THE MORRO BAY HARBOR REPORTED A WIND
GUST OF 81 MPH.

HIGH TEMPERATURES WERE WELL BELOW NORMAL ON THE 6TH AND 7TH...WHILE
THE MORNINGS OF THE 7TH AND 8TH WERE THE COLDEST OF THE MONTH IN
MOST AREAS. ACROSS THE CENTRAL COAST AND IN THE SANTA YNEZ AND OJAI
VALLEYS...LIGHT FREEZES WERE REPORTED.

ON THE 7TH...THE LOW TEMPERATURE OF 22 DEGREES AT SANDBERG SET A
RECORD FOR THE DATE...BREAKING THE PREVIOUS RECORD OF 23 DEGREES SET
IN 1964. THE LOW TEMPERATURE OF 37 DEGREES AT CAMARILLO AIRPORT TIED
A DAILY RECORD WHICH WAS SET IN 1956.

ON THE 8TH...THE LOW TEMPERATURE OF 21 DEGREES AT LANCASTER AIRPORT
SET A DAILY RECORD...BREAKING THE OLD RECORD OF 23 DEGREES SET IN
1956. THE LOW OF 35 DEGREES AT CAMARILLO AIRPORT BROKE THE DAILY
RECORD OF 37 DEGREES SET IN 1964...WHILE THE LOW OF 33 DEGREES AT
SANTA BARBARA AIRPORT TIED A DAILY RECORD.

AFTERNOON TEMPERATURES WARMED ON THE 8TH BACK TO NEAR OR EVEN
SLIGHTLY ABOVE NORMAL LEVELS AS A RIDGE BUILT INTO THE REGION...THEN
SIGNIFICANT WARMING TOOK PLACE ON THE 9TH AS THE UPPER RIDGE PEAKED
IN INTENSITY ACROSS THE REGION.

CHILLY MORNING TEMPERATURES LINGERED IN THE ANTELOPE VALLEY ON THE
9TH...WHERE THE LOW OF 24 DEGREES AT LANCASTER AIRPORT BROKE THE
RECORD FOR THE DATE WHICH WAS 25 DEGREES SET IN 2002.

DURING THE AFTERNOON OF THE 9TH...THE HIGH TEMPERATURE OF 86 DEGREES
AT CAMARILLO AIRPORT BROKE THE PREVIOUS RECORD OF 84 DEGREES SET IN
1996. THE HIGH TEMPERATURE OF 82 DEGREES AT LOS ANGELES AIRPORT SET
A RECORD FOR THE DATE WHICH WAS 81 DEGREES AND WAS SET JUST A YEAR
EARLIER IN 2011. THE HIGH OF 82 DEGREES AT PASO ROBLES AIRPORT BROKE
THE OLD RECORD OF 81 DEGREES SET IN 2004.

THE UPPER HIGH BEGAN TO BREAK DOWN AND MOVE EASTWARD ON THE
10TH...AND SEVERAL DEGREES OF COOLING TOOK PLACE. STILL...MAXIMUM
TEMPERATURES WERE A BIT ABOVE NORMAL IN MOST AREAS...WHERE THE
WARMEST LOCATIONS IN THE VALLEYS ALMOST REACHING 80 DEGREES.

MORE SIGNIFICANT COOLING TOOK PLACE ON THE 11TH AS A BROAD TROUGH
MOVED INTO THE WEST COAST...THEN COOL CONDITIONS PERSISTED THROUGH
THE 15TH...WITH PLENTY OF NIGHT THROUGH MORNING LOW CLOUDS WEST OF
THE MOUNTAINS...AND MAXIMUM TEMPERATURE GENERALLY 5 TO 10 DEGREES
BELOW NORMAL.

ON THE 16TH...A TROUGH DROPPED SOUTHWARD TO A POSITION OFF THE
CALIFORNIA COAST AND ITS ASSOCIATED FRONTAL SYSTEM SWEPT THROUGH THE
REGION ON THE 17TH...BRINGING A 3 TO 6 HOUR PERIOD OF MODERATE TO
HEAVY RAIN...FOLLOWED BY NUMEROUS SHOWERS THAT PERSISTED INTO THE
18TH.

GUSTY SOUTHEAST TO SOUTHWEST WINDS AFFECTED THE REGION AHEAD OF THE
FRONT DURING THE MORNING HOURS OF THE 17TH. PEAK WIND GUSTS INCLUDED
74 MPH AT CHILAO...73 MPH AT MILL CREEK...70 MPH AT CAMP NINE...62
MPH AT GRASS MOUNTAIN...59 MPH AT WILEY RIDGE...56 MPH AT LAKE
PALMDALE AND CLEAR CREEK...54 MPH AT WHITAKER PEAK...53 MPH AT POPPY
PARK...52 MPH AT TOPANGA HILLS...49 MPH AT BRANCH MOUNTAIN AND IN
SAUGUS...47 MPH AT MALIBU HILLS...46 MPH AT SANDBERG AND
CARRIZO...44 MPH AT NEWHALL PASS AND VANDENBERG...AND 42 MPH AT
ACTON.

MAXIMUM TEMPERATURES WERE 15 TO 20 DEGREES BELOW NORMAL IN MOST
AREAS ON THE 17TH. THE HIGH TEMPERATURES OF 53 DEGREES AT BURBANK
AIRPORT TIED THE RECORD LOW MAXIMUM TEMPERATURE FOR THE DATE WHICH
WAS SET IN 1963. THE DAILY RAINFALL TOTAL OF 0.64 INCHES AT SANDBERG
SET A RECORD FOR THE DATE...BREAKING THE OLD RECORD OF 0.09 INCHES
SET IN 1979. AT PASO ROBLES AIRPORT...THE 1.47 INCHES OF RAIN
RECEIVED ON THE 17TH BROKE THE DAILY RECORD OF 1.16 INCHES SET IN
1991.

SOME RAINFALL TOTALS FROM THE STORM SYSTEM ON THE 17TH INTO THE 18TH
INCLUDE 6.93 INCHES AT BATES RIDGE...5.32INCHES AT NORDHOFF
RIDGE..4.49 INCHES AT OPIDS CAMP...4.37 INCHES AT EL DESEO
RANCH...4.14 INCHES IN ROSE VALLEY...3.92 INCHES AT SAN MARCOS
PASS...3.86 INCHES AT MATILIJA CANYON...3.82 INCHES AT THE WEST FORK
HELIPORT...3.81 INCHES AT CAMP HI HILL...3.76 INCHES AT MOUNT
BALDY...3.74 INCHES AT WHITE LEDGE PEAK...3.66 INCHES AT WEST CAMINO
CIELO...3.59 INCHES AT TECOLOTE CANYON...3.54 INCHES AT
TANBARK...3.35 INCHES AT BIG TUJUNGA DAM...3.33 INCHES AT CLEAR
CREEK...2.96 INCHES IN ATASCADERO...2.90 INCHES AT LOS
PRIETOS...2.88 INCHES AT MORRIS DAM...2.81 INCHES AT FIGUEROA
MOUNTAIN...2.62 INCHES AT MONTECITO HILLS...2.47 INCHES AT CORRAL
CANYON...2.24 INCHES AT LECHUZA FIRE STATION...2.17 INCHES AT THE
MONTE NIDO FIRE STATION...2.11 INCHES IN OJAI...1.80 INCHES IN
LOMPOC...1.77 INCHES AT SANTA MARIA AIRPORT...1.67 INCHES AT SAN
LUIS OBISPO AIRPORT...1.65 INCHES IN LA CANADA FLINTRIDGE AND IN THE
CITY OF SANTA BARBARA...1.62 INCHES AT FILLMORE...1.57 INCHES IN
AGOURA HILLS...1.53 INCHES AT PASO ROBLES AIRPORT...1.46 INCHES AT
PACOIMA DAM...1.42 INCHES IN SUN VALLEY AND PASADENA...1.38 INCHES
AT THE BURBANK PUMP PLANT...IN NEWHALL AND ON THE CARRIZO
PLAIN...1.12 INCHES IN CHATSWORTH...1.07 INCHES IN BEL AIR...1.06
INCHES IN BEVERLY HILLS...1.00 INCHES AT SANTA MARIA AIRPORT...0.94
INCHES AT BURBANK AIRPORT...AT SANTA BARBARA AIRPORT AND IN POPPY
PARK...0.88 INCHES IN WOODLAND HILLS...0.76 INCHES IN DOWNTOWN LOS
ANGELES...0.74 INCHES AT THE NATIONAL WEATHER SERVICE IN OXNARD...AT
LONG BEACH AIRPORT AND AT VAN NUYS AIRPORT....0.68 INCHES AT
CAMARILLO AIRPORT...0.64 INCHES AT UCLA...0.60 INCHES AT HAWTHORNE
AIRPORT...0.55 AT LOS ANGELES AIRPORT...0.44 INCHES AT PALMDALE
AIRPORT AND 0.13 INCHES AT LANCASTER AIRPORT.

IN THE MOUNTAINS...SNOW FELL MAINLY ABOVE THE 5500 FOOT LEVEL. SNOW
TOTALS INCLUDED 18 TO 22 INCHES AT MOUNTAIN HIGH AT 7000 FEET...12
INCHES AT MOUNT BALDY...10 TO 15 INCHES AT WRIGHTWOOD AT 6000
FEET...11 INCHES AT BIG PINES...2.8 INCHES IN LOCKWOOD VALLEY...AND
1 INCH AT LAKE OF THE WOODS.

ON THE 18TH...MANY LOCATIONS SET OR TIED RECORD LOW DAILY MAXIMUM
TEMPERATURES INCLUDING LOS ANGELES AIRPORT WHERE THE HIGH OF 55
DEGREES BROKE THE RECORD OF 58 DEGREES SET IN 1983...DOWNTOWN LOS
ANGELES WHERE THE HIGH OF 58 DEGREES TIED THE DAILY RECORD SET IN
1962...LONG BEACH AIRPORT WHERE THE HIGH OF 57 DEGREES BROKE THE
RECORD OF 59 DEGREES SET IN 1985...BURBANK AIRPORT WHERE THE HIGH OF
56 DEGREES EDGED OUT THE RECORD OF 57 DEGREES SET IN 1952...WOODLAND
HILLS WHERE THE HIGH OF 53 DEGREES BROKE THE RECORD OF 55 DEGREES
SET IN 1982...UCLA WHERE THE HIGH OF 55 DEGREES TIED THE DAILY
RECORD SET IN 1982...AND PALMDALE WHERE THE HIGH OF 46 DEGREES
BROKE THE RECORD OF 48 DEGREES SET IN 1948.

DRY WEATHER RETURNED TO THE REGION ON THE 19TH...BUT IT REMAINED
COOL. ON THE 19TH...THE LOW TEMPERATURE OF 25 DEGREES AT SANDBERG
BROKE THE RECORD FOR THE DATE WHICH WAS 27 DEGREES IN 1982. THE HIGH
TEMPERATURE OF 60 DEGREES AT LONG BEACH AIRPORT TIED THE LOWEST
MAXIMUM TEMPERATURE EVER RECORDED ON THAT DATE WHICH WAS SET IN
1979.

SOME WARMING BEGAN ON THE 20TH...THEN TEMPERATURES WERE ABOVE NORMAL
LEVELS ACROSS MUCH OF THE REGION ON THE 21ST. AT MANY OF THE WARMER
LOCATIONS IN THE VALLEYS...HIGH TEMPERATURES REACHED 80 DEGREES ON
THE 21ST.

A TROUGH MOVING TOWARD THE WEST COAST BROUGHT COOLING ON THE 22ND
AND 23RD...ALONG WITH A RETURN TO NIGHT THROUGH MORNING LOW CLOUDS
WEST OF THE MOUNTAINS.

A STRONG AND COLD UPPER LOW DROPPED SOUTHWARD PARALLEL TO THE WEST
COAST ON THE 23RD AND 24TH...REACHING A POSITION ABOUT 300 MILES
WEST OF POINT CONCEPTION DURING THE AFTERNOON OF THE 24TH.
THE FRONTAL BAND ASSOCIATED WITH THIS SYSTEM PUSHED INTO THE
CENTRAL COAST DURING THE LATE EVENING HOURS OF THE 24TH AND THE
EARLY EVENING HOURS OF THE 25TH...WITH RAIN REACHING LOS ANGELES
COUNTY DURING THE MORNING OF THE 26TH.

THE RAIN WAS HEAVY AT TIMES...AND PRODUCE SOME FLOODING OF ROADWAYS
THROUGHOUT THE REGION. THERE WERE SOME EMBEDDED THUNDERSTORMS WITHIN
THIS FRONTAL BAND...ESPECIALLY ACROSS THE COASTAL WATERS. THE
RAINFALL TOTAL OF 1.62 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD AND 1.53 INCHES AT CAMARILLO AIRPORT SET A NEW RECORDS FOR
THE DATE...BOTH BREAKING OLD RECORDS OF 0.94 INCHES SET IN 1977.

THE FRONT ALSO BROUGHT SOME GUSTY SOUTHEAST TO SOUTHWEST WINDS TO THE
REGION. PEAK WIND GUSTS INCLUDED 71 MPH AT CHILAO...60 MPH AT MOUNT
WILSON...59 MPH AT MILL CREEK...58 MPH AT CLEAR CREEK....57 MPH AT
GRASS MOUNTAIN 41 MPH AT LONG BEACH AIRPORT.

SOME RAINFALL TOTALS FOR THE FAST MOVING SYSTEM ON THE 25TH INTO THE
EARLY PART OF THE 26TH INCLUDED 3.38 INCHES AT CORRAL CANYON...3.27
INCHES AT THE MONTE NIDO FIRE STATION...3.24 INCHES AT DON VICTOR...
3.08 INCHES AT MALIBU CANYON...3.06 INCHES AT EL DESEO RANCH...2.89
INCHES AT HAINES CANYON...2.73 INCHES AT JUNCAL DAM...2.70 INCHES AT
SESPE CREEK ABOVE FILLMORE...2.64 INCHES AT NORDHOFF RIDGE...2.63
INCHES AT MATILIJA CANYON...2.60 INCHES AT THE LECHUZA FIRE
STATION...2.55 INCHES AT ROSE VALLEY...2.48 INCHES AT TANBARK FLATS
AND IN NEWHALL...2.40 INCHES AT BIG TUJUNGA DAM...2.37 INCHES AT
WHEELER GORGE...2.36 INCHES AT COGSWELL DAM...2.21 INCHES AT OLD MAN
MOUNTAIN...2.19 INCHES AT RED ROCK CREEK...2.16 INCHES AT CLEAR
CREEK...2.15 INCHES AT GIBRALTAR DAM...2.12 INCHES AT MALIBU
HILLS... 2.11 INCHES AT TANBARK...2.04 INCHES AT SAN MARCOS PASS...
2.02 INCHES IN WOODLAND HILLS...2.01 INCHES IN SUN VALLEY...AT
HOPPER CANYON...AND AT THE HOLLYWOOD RESERVOIR...1.98 INCHES AT
TECOLOTE CANYON...1.97 INCHES AT ROCKY PEAK...1.93 INCHES AT OPIDS
CAMP AND AT THE WEST FORK HELIPORT...1.89 INCHES AT CIRCLE X RANCH
AND PYRAMID LAKE...1.83 INCHES AT GETTY CENTER...1.74 INCHES IN
AGOURA HILLS AND AT SOUTH MOUNTAIN...1.71 INCHES AT SANTA PAULA...
1.67 INCHES AT LAKE SHERWOOD...1.65 INCHES AT LOS PRIETOS AND IN BEL
AIR...1.62 INCHES AT THE NATIONAL WEATHER SERVICE IN OXNARD...1.61
INCHES IN CANOGA PARK...1.53 INCHES AT CAMARILLO AIRPORT...1.51
INCHES AT CHEESEBORO...1.50 INCHES AT TEMESCAL...1.49 INCHES IN
OJAI...1.40 INCHES AT BURBANK AIRPORT...1.30 INCHES AT VAN NUYS
AIRPORT...1.26 INCHES AT UCLA...1.22 INCHES IN PASADENA...1.11
INCHES AT LOS ANGELES AIRPORT...1.10 INCHES AT HAWTHORNE...0.95
INCHES AT DOWNTOWN LOS ANGELES...0.99 INCHES AT SANTA BARBARA
AIRPORT...0.83 INCHES AT ROCKY BUTTE...0.81 INCHES AT POPPY
PARK...0.65 INCHES AT SAN LUIS OBISPO AIRPORT...0.63 INCHES AT SANTA
MARIA AIRPORT...0.55 INCHES AT CAMBRIA...0.52 INCHES AT MORRO
BAY...0.50 INCHES AT PASO ROBLES AIRPORT...0.41 INCHES ON THE
CARRIZO PLAIN...0.29 INCHES AT LANCASTER AIRPORT...AND 0.19 INCHES
AT PALMDALE AIRPORT.

IN THE MOUNTAINS...SNOW TOTALS INCLUDED 14 INCHES AT WRIGHTWOOD AT
6000 FEET AND AT THE MOUNTAIN HIGH RESORT AT 7000 FEET...12 INCHES
AT MOUNT PINOS AR 8800 FEET...10 INCHES AT FRAZIER PARK AT 6000
FEET...8 INCHES AT PINE MOUNTAIN CLUB AT 6500 FEET...6 INCHES AT
CUDDY VALLEY AT 6000 FEET...5 INCHES AT LOCKWOOD VALLEY AT 5500
FEET...4 INCHES AT PINON PINES AT 5500 FEET...AND 2 INCHES AT LAKE
OF THE WOODS AT 4500 FEET.

COOL AND DRY WEATHER RETURNED TO THE REGION ON THE 26TH AND 27TH. ON
THE 28TH...A WEAK FRONTAL SYSTEM BROUGHT SOME LIGHT RAIN TO SAN LUIS
OBISPO AND SANTA BARBARA COUNTIES. RAINFALL TOTALS ON THE 28TH WERE
GENERALLY LESS THAN ONE QUARTER OF AN INCH. SOME EXCEPTIONS INCLUDED
1.10 INCHES AT ROCKY BUTTE...0.59 INCHES AT UPPER TORO CREEK...0.46
INCHES AT LOS TABLAS...0.31 INCHES AT CAMBRIA...0.29 INCHES AT SAN
LUIS HARBOR...AND 0.27 INCHES AT POINT PIEDRAS BLANCAS.

BEHIND THE WEAK SYSTEM...A RIDGE BUILT INTO THE REGION...AND LIGHT
OFFSHORE FLOW DEVELOPED. THIS BROUGHT WARMER WEATHER TO THE FORECAST
AREA ON THE 29TH AND 30TH...WITH TEMPERATURES RISING INTO THE
70S IN THE VALLEYS. SOME 80 DEGREE READINGS WERE RECORDED IN THE
ANTELOPE VALLEY ON THE 30TH.

ON THE 31ST...AN UPPER TROUGH SWUNG INTO NORTHERN CALIFORNIA...AND
ITS FRONTAL SYSTEM BROUGHT MOSTLY LIGHT RAIN AND MOUNTAIN SNOWS TO
THE REGION ON THE 31ST INTO THE EARLY MORNING HOURS OF THE 1ST OF
APRIL. RAINFALL TOTALS WERE GENERALLY ONE QUARTER OF AN INCH OR
LESS. SOME EXCEPTIONS INCLUDED 0.79 INCHES AT ROCKY BUTTE...0.58
INCHES AT FIGUEROA MOUNTAIN...0.55 INCHES AT UPPER TORO CREEK AND
REFUGIO PASS...0.52 INCHES AT OPIDS CAMP...0.50 INCHES AT
TANBARK...0.48 INCHES AT SAN ANTONIO DAM...GAVIOTA...AND BALD
MOUNTAIN...0.44 INCHES AT LAS TABLAS AND CRYSTAL LAKE...0.43 INCHES
AT BRANCH MOUNTAIN AND SAN MARCOS PASS...0.39 INCHES AT CAMP
NINE...0.36 INCHES AT MORRIS DAM AND SAN GABRIEL DAM...0.35 INCHES
AT NORDHOFF RIDGE...WHITE LEDGE PEAK...SANTA ANITA DAM AND SANTA
BARBARA AIRPORT...0.34 INCHES AT MOUNT BALDY...0.28 INCHES AT LOMPOC
AND 0.26 INCHES AT PASO ROBLES AIRPORT.

AT FRAZIER PARK...3 INCHES OF SNOW FELL AT 5000 FEET...WHILE AT
MOUNT WILSON...2 INCHES OF SNOW WAS REPORTED AT 5000 FEET.


.............CLIMATE DATA FOR MARCH 2012.............

                   AVG   AVG   AVG   NORM   MONTH  TOTAL   NORM   PRECIP
                  HIGH   LOW  MONTH  MONTH  XTRMS  PRECIP PRECIP  % NORM
                  ------------------------------------------------------

L.A. DOWNTOWN      67.3  49.2  58.2  60.6   87/42   1.75   2.43    72%
L.A. ARPT          64.2  50.1  57.1  58.0   87/43   1.78   1.85    96%
LONG BEACH ARPT    67.7  49.4  58.5  59.5   91/41   1.40   1.87    75%
UCLA               65.5  50.0  57.8  59.3   85/42   2.27   2.84    80%
BURBANK ARPT       67.1  46.5  56.8  58.3   86/38   2.43   2.97    82%
LANCASTER ARPT     67.3  37.5  52.4  53.2   81/20   0.47   1.14    41%
SANDBERG           55.1  36.4  45.7  46.7   71/22   1.95   1.73   113%
CAMARILLO ARPT     65.5  45.0  55.3  56.2   88/35   2.35   2.65    89%
SANTA BARBARA ARPT 63.1  41.8  52.5  55.5   78/33   2.28   3.18    72%
SANTA MARIA ARPT   65.9  40.9  53.4  54.0   83/30   2.72   2.64   103%
PASO ROBLES ARPT   67.0  37.6  52.3  53.2   83/24   2.32   2.49    93%


****APRIL****


APRIL 2012 WAS SIGNIFICANTLY WETTER THAN NORMAL ACROSS THE REGION,
MOST STATIONS RECEIVE BETWEEN 180 AND 250 PERCENT OF NORMAL
PRECIPITATION FOR THE MONTH...PUTTING A SMALL DENT IN THE RAINFALL
DEFICITS FOR THE SEASON.

TEMPERATURES FOR THE MONTH AVERAGED GENERALLY WITHIN A DEGREE OR SO
OF NORMAL IN MOST LOCATION. FREEZING TEMPERATURES WERE CONFINED THE
THE MOUNTAINS...THE ANTELOPE VALLEY...INTERIOR VALLEYS OF SAN LUIS
OBISPO COUNTY AND THE CUYAMA VALLEY. EVEN THE OJAI VALLEY
EXPERIENCED A LIGHT FREEZE ON ONE DAY IN EARLY APRIL.

STRONG AND GUSTY NORTHWEST TO NORTH WINDS DEVELOPED BEHIND A WEAK
COLD FRONT WHICH MOVED THROUGH THE REGION ON THE 31ST OF MARCH AND
EARLY ON THE 1ST OF APRIL. THE STRONG WINDS CONTINUED INTO THE 2ND.
PEAK WIND GUSTS INCLUDED 76 MPH AT WARM SPRINGS...75 MPH AT WHITAKER
PEAK...59 MPH AT POPPY PARK...57 MPH AT TOPANGA HILLS...56 MPH AT
DEL VALLE...54 MPH AT POPPY PARK...,53 MPH AT MALIBU HILLS...52 MPH
AT LEO CARRILLO BEACH AND CAMP NINE...51 MPH AT LANCASTER
AIRPORT...48 MPH AT OJAI...46 MPH AT SAUGUS AND SANDBERG...44 MPH AT
VAN NUYS AND POINT MUGU...AND 39 MPH AT CAMARILLO.

AFTER A CHILLY DAY ON THE 1ST...SIGNIFICANT WARMING TOOK PLACE ON
THE 2ND...THEN DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES
CONTINUED THROUGH THE 3RD. A UPPER TROUGH MOVING INTO THE WEST COAST
BROUGHT SOME COOLING ON THE 4TH...WITH ADDITIONAL COOLING ON THE
5TH...ON WHICH MOST STATIONS EXPERIENCED BELOW NORMAL TEMPERATURES.

GUSTY WINDS AFFECTED MUCH OF THE REGION ON THE 4TH AND 5TH. PEAK
WIND GUSTS INCLUDED 64 MPH AT WHITAKER PEAK...59 MPH AT CAMP
NINE...49 MPH AT POPPY PARK...48 MPH AT MALIBU HILLS...46 MPH AT
CLEAR CREEK...44 MPH AT LAKE PALMDALE AND SANDBERG...43 MPH AT
LANCASTER AIRPORT...40 MPH AT LOMPOC AIRPORT...AND 38 MPH AT SANTA
MARIA AIRPORT.

ON THE 6TH...THE LOW TEMPERATURE OF 29 DEGREES AT PASO ROBLES
AIRPORT BROKE THE RECORD LOW FOR THE DAY WHICH WAS 30 DEGREES SET IN
1955. THE LOW TEMPERATURE AT OJAI IN THE OJAI VALLEY DROPPED
SLIGHTLY BELOW FREEZING...TO 31 DEGREES.

AN UPPER RIDGE AND WEAK OFFSHORE FLOW BROUGHT SIGNIFICANT WARMING TO
THE REGION ON THE 7TH. TEMPERATURES CLIMBED WELL INTO THE 80S IN
THE VALLEYS...AND ABOVE 80 DEGREES ACROSS MUCH OF THE COASTAL PLAIN.
INTERESTINGLY...DUE TO THE CLEAR SKIES AND DRY CONDITIONS...SOME
RECORD LOW TEMPERATURES WERE SET ON THE 7TH. THE LOW TEMPERATURES OF
25 DEGREES AT LANCASTER AIRPORT BROKE THE OLD RECORD OF 31 DEGREES
SET IN 1983. THE LOW OF 38 DEGREES AT SANTA BARBARA AIRPORT BROKE
THE PREVIOUS RECORD OF 40 DEGREES SET IN 1975...AND THE LOW OF 29
DEGREES AT PALMDALE AIRPORT TIED THE DAILY RECORD SET IN 1975.

EXCEPT FOR THE MOUNTAINS AND DESERTS WHERE AFTERNOON TEMPERATURES
WERE HIGHER ON THE 8TH AND 9TH...THERE WAS SLIGHT COOLING ELSEWHERE.
STILL...TEMPERATURES REMAINED WELL ABOVE NORMAL IN MOST AREAS.
CHILLY MORNINGS CONTINUED ACROSS THE INTERIOR. ON THE 8TH...THE LOW
TEMPERATURE OF 28 DEGREES AT LANCASTER AIRPORT BROKE THE DAILY
RECORD...WHICH WAS 31 DEGREES SET IN 1998.

ON THE 10TH...AN UPPER LOW OFF THE NORTHERN CALIFORNIA COAST DROPPED
SOUTHWARD TOWARD THE REGION. ITS ASSOCIATED COLD FRONT BROUGHT RAIN
TO THE FORECAST AREA ON THE 10TH INTO THE 11TH. RAIN OVERSPREAD
SANTA BARBARA AND SAN LUIS OBISPO COUNTIES DURING THE LATE AFTERNOON
AND EVENING HOURS...REACHING THE LOS ANGELES BASIN JUST BEFORE
MIDNIGHT. THE RAIN WAS HEAVY AT TIMES...AND CAUSED SOME MINOR
ROADWAY FLOODING ACROSS THE REGION. THE MAIN BAND OF RAIN EXITED THE
FORECAST AREA IN THE MORNING...BUT UNSTABLE CONDITIONS CAUSED
SCATTERED SHOWERS TO LINGER INTO THE EVENING HOURS. IN THE
MOUNTAINS...SNOW FELL ABOVE THE 5000 FOOT LEVEL.

SOME RAINFALL TOTALS INCLUDED 2.00 INCHES AT WEST CAMINO
CIELO...1.93 INCHES AT REFUGIO PASS...1.84 INCHES IN GAVIOTA...1.83
INCHES AT SAN MARCOS PASS...1.82 INCHES AT EL DESEO RANCH...1.72
INCHES AT THE KTYD RADIO STATION TOWER...1.69 INCHES AT THE SANTA
BARBARA BOTANIC GARDENS...1.55 INCHES AT MONTECITO HILLS...1.53
INCHES AT ROCKY PEAK...1.52 INCHES IN THE CITY OF SANTA
BARBARA...1.49 INCHES AT CACHUMA DAM...1.48 INCHES AT CORRAL
CANYON...1.42 INCHES AT OLD MAN MOUNTAIN...1.36 INCHES AT
CARPINTERIA...1.34 INCHES AT NORDHOFF RIDGE...1.32 INCHES AT STATION
CANYON...1.30 INCHES AT RANCHO SAN JULIAN AND ALISAL
RESERVOIR...1.28 INCHES AT SANTA BARBARA AIRPORT...1.27 INCHES AT
OPIDS CAMP...1.26 INCHES IN BEVERLY HILLS...1.25 INCHES AT LOS
PRIETOS...1.24 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD...1.22 INCHES AT THE MONTE NIDO FIRE STATION...1.20 INCHES IN
BUELLTON...1.17 INCHES IN SANTA YNEZ AND IN VENTURA...1.15 INCHES IN
SOLVANG AND IN AGOURA HILLS...1.14 INCHES IN NEWHALL...1.06 INCHES
AT CRYSTAL LAKE...1.04 INCHES IN FILLMORE...0.99 INCHES AT WEST FORK
HELIPORT...0.96 INCHES AT CAMARILLO AIRPORT AND SAN LUIS OBISPO
AIRPORT...0.94 INCHES AT VAN NUYS AIRPORT...0.91 INCHES IN CANOGA
PARK...0.90 INCHES IN BEL AIR...0.89 INCHES AT SANTA MARIA
AIRPORT...0.88 INCHES AT BURBANK AIRPORT... 0.87 INCHES AT NIPOMO
AND PISMO BEACH...0.82 INCHES IN PASADENA...0.81 INCHES IN SAN
GABRIEL...0.73 INCHES IN DOWNTOWN LOS ANGELES...0.72 INCHES AT
HAWTHORNE AIRPORT AND AT UCLA...0.67 INCHES AT LONG BEACH
AIRPORT...0.63 INCHES AT LOS ANGELES AIRPORT AND IN CLAREMONT...0.43
INCHES IN SAUGUS...0.31 INCHES AT SANTA MONICA AIRPORT...0.15 INCHES
AT PASO ROBLES AIRPORT...0.08 INCHES AT PALMDALE AIRPORT AND 0.03
INCHES AT LANCASTER AIRPORT.

IN THE MOUNTAINS...6 INCHES OF SNOW FELL AT MOUNT PINOS AT 8200
FEET...4 INCHES OF SNOW FELL AT MOUNTAIN HIGH AT 7000 FEET AND PINE
MOUNTAIN AT 6500 FEET...3 INCHES OF SNOW FELL AT PINON PINE AT 5500
FEET...2 INCHES WAS REPORTED AT WRIGHTWOOD AT 6100 FEET...AND AN
INCH OF SNOW FEEL AT MOUNT WILSON AT 5700 FEET AND IN LOCKWOOD
VALLEY AT 5000 FEET.

ANOTHER UPPER LOW DROPPED SOUTHEASTWARD FROM THE PACIFIC ON THE
12TH. RAIN FROM THIS SYSTEM SPREAD INTO SAN LUIS OBISPO COUNTY BY
NOON ON THE 12TH...BUT RAIN DID NOT REACH MOST OF LOS ANGELES COUNTY
UNTIL LATE IN THE EVENING OR DURING THE EARLY MORNING HOURS OF 13TH.
THERE WAS WIDESPREAD THUNDERSTORM ACTIVITY WITH THIS
SYSTEM...AFFECTING SANTA BARBARA AND SAN LUIS OBISPO COUNTIES DURING
THE PRE DAWN HOURS...A FEW OF WHICH APPROACHED SEVERE LEVELS...AND
VENTURA AND LOS ANGELES COUNTIES FROM MID MORNING THROUGH MID
AFTERNOON. MANY OF THE THUNDERSTORMS PRODUCED PEA SIZED HAIL. THE
RAIN WAS HEAVY AT TIMES...CAUSING WIDESPREAD PONDING OF WATER ON
ROADWAY...WITH SOME FLOODING OF LOW LYING AREAS AND INTERSECTIONS.

GUSTY WINDS AFFECTED MUCH OF THE REGION AHEAD OF AND WITH THE FRONT.
PEAK GUSTS INCLUDED 57 MPH AT CLEAR CREEK AND CHILAO...53 MPH AT
LAKE PALMDALE...51 MPH AT VALYERMO...LITTLE TUJUNGA AND
TOPANGA HILLS...50 MPH AT MALIBU CANYON AND DEL VALLE...49 MPH AT
WHITAKER PEAK...48 MPH AT NEWHALL PASS AND ACTON...46 MPH AT SAN
RAFAEL HILLS...44 MPH AT WILEY RIDGE...40 MPH AT AVALON
AIRPORT...AND 36 MPH AT POINT MUGU.

SOME RAINFALL TOTALS FROM THE STORM INCLUDED 3.15 INCHES AT NORDHOFF
RIDGE...2.64 INCHES IN ROSE VALLEY...2.44 INCHES AT OPIDS
CAMP...2.41 INCHES AT LAS TABLAS...2.40 INCHES AT BLACK MOUNTAIN AND
WHITE LEDGE PEAK...2.37 INCHES AT LAKE PIRU...2.26 INCHES AT SAN
LUIS OBISPO CAL POLY...2.25 INCHES AT SAN GABRIEL DAM...1.97 INCHES
AT WEST FORK HELIPORT...1.95 INCHES AT TANBARK...1.86 INCHES AT
STEWART CANYON AND IN PIRU...1.76 INCHES AT SAN LUIS OBISPO
AIRPORT...1.75 INCHES AT BRANCH MOUNTAIN...1.74 INCHES AT PACOIMA
DAM...1.65 INCHES AT WARM SPRINGS...1.61 INCHES IN OJAI AND IN
CANOGA PARK...1.59 INCHES AT MONTECITO HILLS...1.58 INCHES ON THE
CARRIZO PLAIN...1.57 INCHES IN NEWHALL...1.56 INCHES AT PASO ROBLES
AIRPORT...1.54 INCHES AT CHEESEBORO...1.53 INCHES AT MORRIS
DAM...1.51 INCHES AT SANTA FE DAM....1.41 INCHES IN AGOURA HILLS AND
AT HANSEN DAM...1.38 INCHES IN LOS PRIETOS AND IN LA VERNE...1.35
INCHES AT WHITAKER PEAK AND IN CLAREMONT...1.24 INCHES AT VAN NUYS
AIRPORT...1.22 INCHES IN POPPY PARK...1.15 INCHES IN WOODLAND
HILLS...1.09 INCHES IN NORTHRIDGE...1.08 INCHES AT SANTA MARIA
AIRPORT...1.00 INCHES IN SAUGUS...0.96 INCHES IN PASADENA...0.90
INCHES IN SAN GABRIEL...0.89 INCHES AT BURBANK AIRPORT...0.87 INCHES
AT THE MONTE NIDO FIRE STATION...0.79 INCHES AT LANCASTER
AIRPORT...0.73 INCHES IN SIMI VALLEY...0.68 INCHES IN VENTURA...0.66
INCHES IN BEVERLY HILLS...0.63 INCHES IN BEL AIR AND AT HAWTHORNE
AIRPORT...0.62 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD...0.60 INCHES AT SANTA BARBARA AIRPORT...0.59 INCHES AT
CAMARILLO AIRPORT...0.54 INCHES AT PALMDALE AIRPORT...0.49 INCHES IN
DOWNTOWN LOS ANGELES...0.45 INCHES AT LONG BEACH AIRPORT...0.44
INCHES AT LOS ANGELES AIRPORT AND 0.42 INCHES AT UCLA.

IN THE MOUNTAINS...10 INCHES OF SNOW FELL AT WRIGHTWOOD AT 6300
FEET...WHILE 7 INCHES FELL AT 6000 FEET...3 INCHES WAS RECORDED AT
FRAZIER PARK AT 5000 FEET AND 2 INCHES OF SNOW FELL AT LOCKWOOD
VALLEY AT 5300 FEET.

ON THE 12TH...THE DAILY RAINFALL OF 0.20 INCHES AT PASO ROBLES
AIRPORT SET A NEW RECORD FOR THE DATE. THE PREVIOUS RECORD WAS 0.14
INCHES...SET IN 2010 AND 2003.

MANY DAILY RAINFALL RECORDS WERE SET ON THE 13TH...INCLUDING 1.37
INCHES AT PASO ROBLES AIRPORT WHICH BROKE THE RECORD OF 0.53 INCHES
SET IN 2003...0.94 INCHES AT SANTA MARIA AIRPORT WHICH BROKE THE
RECORD OF 0.43 INCHES SET IN 2003...0.89 INCHES AT BURBANK AIRPORT
WHICH BROKE THE RECORD OF 0.36 INCHES SET IN 1976...0.79 INCHES AT
LANCASTER AIRPORT WHICH BROKE THE RECORD OF 0.22 INCHES SET IN
1998...0.56 INCHES AT CAMARILLO AIRPORT WHICH BROKE THE RECORD OF
0.31 INCHES SET IN 2003...0.54 INCHES AT PALMDALE AIRPORT WHICH
BROKE THE RECORD OF 0.47 INCHES SET IN 1956...0.49 INCHES AT
DOWNTOWN LOS ANGELES WHICH BROKE THE RECORD OF 0.29 INCHES SET IN
1956...0.45 INCHES AT LONG BEACH AIRPORT...WHICH BROKE THE RECORD OF
0.07 INCHES SET IN 1976...0.44 INCHES AT LOS ANGELES AIRPORT WHICH
BROKE THE RECORD OF 0.41 INCHES SET IN 1956.

MANY DAILY RECORD LOW MAXIMUM TEMPERATURES WERE RECORDED ON THE 13TH
AS WELL...INCLUDING A HIGH OF 51 DEGREES AT LANCASTER AIRPORT WHICH
BROKE THE RECORD OF 53 DEGREES SET IN 1956...53 DEGREES AT BURBANK
AIRPORT WHICH BROKE THE RECORD OF 55 DEGREES IN 1956...55 DEGREES AT
SANTA BARBARA AIRPORT WHICH BROKE THE RECORD OF 58 DEGREES SET IN
1956...57 DEGREES AT CAMARILLO AIRPORT AND AT THE NATIONAL WEATHER
SERVICE IN OXNARD WHICH BOTH BROKE RECORDS OF 59 DEGREES SET IN
1999...AND 59 DEGREES AT LONG BEACH AIRPORT WHICH BROKE THE RECORD
OF 61 DEGREES SET IN 1976.

AT PASO ROBLES AIRPORT...THE HIGH OF 56 DEGREES TIED THE DAILY
RECORD LOW MAXIMUM TEMPERATURE SET IN 1976...WHILE AT SANTA MARIA
AIRPORT...THE HIGH OF 57 DEGREES TIED THE DAILY RECORD SET IN 1999.

DRY WEATHER RETURNED ON THE 14TH...BUT IT REMAINED QUITE COOL
THROUGH THE 15TH.

ON THE 14TH...THE LOW TEMPERATURE OF 45 DEGREES AT LOS ANGELES
AIRPORT SET A RECORD LOW FOR THE DATE...WHICH HAD BEEN 46 DEGREES
SET IN 1965. THE LOW TEMPERATURE OF 39 DEGREES AT BURBANK AIRPORT
TIED THE RECORD LOW FOR THE DATE SET IN 1983...WHILE THE LOW OF 45
DEGREES AT LONG BEACH AIRPORT TIED THE DAILY RECORD SET IN
1970...AND THE LOW OF 43 DEGREES AT UCLA TIED THE DAILY RECORD SET
IN 1956.

THE HIGH TEMPERATURE OF 54 DEGREES AT PALMDALE AIRPORT SET A NEW
RECORD LOW MAXIMUM FOR THE DATE...BREAKING THE RECORD OF 55 DEGREES
SET IN 1998. THE HIGH OF 60 DEGREES AT LOS ANGELES AIRPORT TIED THE
DAILY RECORD LOW MAXIMUM SET IN 1998.

SIGNIFICANT WARMING TOOK PLACE ON THE 16TH AS AN UPPER RIDGE BUILT
INTO THE REGION...THEN AS GENERAL RIDGING LINGERED OVER THE
REGION...ABOVE NORMAL TEMPERATURES PERSISTED IN MOST AREAS
THROUGH THE 21ST. CONDITIONS REALLY HEATED UP ACROSS THE DESERTS AND
INTERIOR VALLEYS ON THE 19TH...WITH HIGHS EXCEEDING 90 DEGREES IN A
FEW LOCATIONS IN THE SANTA CLARITA VALLEY...AND APPROACHING 90
DEGREES IN THE WARMEST PARTS OF THE SAN FERNANDO VALLEY...THE OJAI
VALLEY AND THE ANTELOPE VALLEY.

THE 20TH WAS THE HOTTEST DAY OF THE MONTH IN MOST MOUNTAIN...VALLEY
AND DESERT LOCATIONS. HIGH TEMPERATURES ROSE WELL INTO THE 90S IN
THE VALLEYS AND THE ANTELOPE VALLEY...AND EVEN REACH 100 DEGREES AT
CHATSWORTH. THE HIGH TEMPERATURE OF 99 DEGREES AT WOODLAND HILLS
TIED THE RECORD FOR THE DATE SET IN 1958.

THE LOW TEMPERATURE OF 55 DEGREES AT SANTA MARIA AIRPORT TIED THE
RECORD HIGH MINIMUM FOR THE DATE SET IN 1983.

SOME COOLING BEGAN WEST OF THE MOUNTAINS ON THE 21ST AS ONSHORE FLOW
INCREASED AHEAD OF AN APPROACHING TROUGH. HOWEVER...IT ACTUALLY
CONTINUED TO WARM IN THE MOUNTAINS AND DESERTS. THE HIGH TEMPERATURE
OF 95 DEGREES AT LANCASTER AIRPORT ON THE 21ST BROKE THE DAILY
RECORD OF 94 DEGREES SET IN 2009...WHILE THE HIGH OF 83 DEGREES AT
SANDBERG BROKE THE RECORD OF 82 DEGREES SET IN 2009.

NIGHT THROUGH MORNING LOW CLOUDS AND FOG BECAME WIDESPREAD IN
COASTAL AND VALLEY AREAS ON THE 22ND...AND ADDITIONAL COOLING
OCCURRED IN ALL AREAS EXCEPT FOR THE DESERTS AND MOUNTAINS AS THE
TROUGH APPROACHED THE REGION. THE HIGH TEMPERATURE OF 94 DEGREES AT
PALMDALE AIRPORT BROKE THE DAILY RECORD OF 92 DEGREES SET IN 1998.
ON THE OTHER EXTREME...THE HIGH TEMPERATURE OF 57 DEGREES AT SANTA
BARBARA AIRPORT TIED THE RECORD LOW MAXIMUM FOR THE DATE SET IN
1954. THE LOW TEMPERATURE OF 64 DEGREES AT SANDBERG SET A DAILY
RECORD FOR THE HIGHEST MINIMUM TEMPERATURE...BREAKING THE RECORD OF
59 DEGREES SET IN 2009.

THE MARINE LAYER DEEPENED SIGNIFICANTLY ON THE 23RD...WITH CLOUDS
REACHING THE COASTAL SLOPES. SOME DRIZZLE EVEN DEVELOPED IN COASTAL
AND VALLEY AREAS...AND SEVERAL LOCATIONS REPORTED VERY LIGHT AMOUNTS
OF MEASURABLE RAIN...LESS THAN ONE TENTH OF AN INCH. IT WAS VERY
CHILLY WEST OF THE MOUNTAINS ON THE 23RD...WITH HIGH TEMPERATURES
15 TO 20 DEGREES BELOW NORMAL IN THE VALLEYS.

WHILE THE DAY WAS CHILLY...THE CLOUD COVER KEPT THE NIGHTS RATHER
MILE. ON THE 23RD...THE LOW OF 53 DEGREES AT SANTA MARIA AIRPORT SET
A DAILY RECORD FOR THE HIGHEST MINIMUM TEMPERATURE...BREAKING THE
RECORD OF 52 DEGREES SET IN 2009. THE LOW OF 52 DEGREES AT PASO
ROBLES AIRPORT SET A DAILY RECORD FOR THE HIGHEST MINIMUM
TEMPERATURE...BREAKING THE RECORD OF 51 DEGREES SET IN 1998.

ON THE 24TH...WEAK RIDGING BROUGHT A REDUCTION IN THE MARINE
LAYER...AND MAXIMUM TEMPERATURES WARMED BY AROUND 10 DEGREES IN MANY
COASTAL AND VALLEY AREAS. THE LOW TEMPERATURE OF 55 DEGREES AT BOTH
SANTA MARIA AIRPORT AND PASO ROBLES AIRPORT SET DAILY RECORD HIGH
MINIMUM TEMPERATURES. THE PREVIOUS RECORD AT SANTA MARIA AIRPORT WAS
53 DEGREES SET IN 1959...WHILE THE PREVIOUS RECORD AT PASO ROBLES
AIRPORT WAS 52 DEGREES SET IN 2011.

AN UPPER LOW MOVING THROUGH THE PACIFIC TRACKED SOUTHEASTWARD...
PASSING JUST TO THE WEST OF THE REGION LATE ON THE 25TH AND EARLY ON
THE 26TH. DESPITE THE APPROACHING STORM SYSTEM...LOW LEVEL OFFSHORE
FLOW ACTUALLY BROUGHT SIGNIFICANT WARMING TO COASTAL AND VALLEY
AREAS ON THE 25TH...ESPECIALLY ACROSS VENTURA AND LOS ANGELES
COUNTIES...WHERE TEMPERATURES JUMPED INTO THE 80S. DURING THE
AFTERNOON...ISOLATED THUNDERSTORMS DEVELOPED ACROSS THE INNER WATERS
AHEAD OF THE UPPER LOW. A GUST FRONT BROUGHT A 15 MINUTE PERIOD OF
GUSTY WINDS TO MUCH OF VENTURA AND LOS ANGELES COUNTIES DURING MID
AFTERNOON...AND TEMPERATURES FELL 15 TO 20 DEGREES IN MANY AREAS IN
A MATTER OF MINUTES.

THE LOW TEMPERATURE OF 55 DEGREES AT SANTA MARIA AIRPORT SET A NEW
RECORD HIGH MINIMUM TEMPERATURE FOR THE DATE...BREAKING THE OLD RECORD
OF 54 DEGREES IN 1959. THE LOW OF 56 DEGREES AT PASO ROBLES AIRPORT
ALSO SET A NEW DAILY RECORD HIGH MINIMUM TEMPERATURE...BREAKING THE
OLD RECORD OF 50 DEGREES IN 1978.

SOME WIND GUSTS INCLUDED 52 MPH AT MALIBU HILLS...51 MPH AT
CHEESEBORO AND WILEY RIDGE...50 MPH IN AGOURA HILLS...49 MPH AT
CAMARILLO AIRPORT...47 MPH IN SIMI VALLEY...45 MPH AT AVALON
AIRPORT...44 MPH AT LOS ANGELES AIRPORT...43 MPH AT OXNARD
AIRPORT...42 MPH AT MALIBU CANYON...41 MPH AT HAWTHORNE AIRPORT AND
IN THOUSAND OAKS...AND 38 MPH AT BURBANK AIRPORT AND AT POINT MUGU.

RAIN WITH THE FRONTAL SYSTEM SPREAD INTO SANTA BARBARA AND SAN LUIS
OBISPO COUNTIES IN THE AFTERNOON OF THE 25TH...AND INTO VENTURA AND
LOS ANGELES COUNTIES DURING THE EVENING. RAIN ENDED DURING THE
MORNING HOURS IN MOST AREAS.

SOME RAINFALL TOTALS INCLUDED 0.98 INCHES IN PASADENA...0.72 INCHES
AT OPIDS CAMP...0.71 INCHES AT SANTA ANITA DAM...0.68 INCHES AT
GAVIOTA...0.63 INCHES AT SUDDEN PEAK...0.62 INCHES AT AVALON...0.61
INCHES AT CELITE...0.59 INCHES AT RANCHO SAN JULIAN...0.56 INCHES AT
ROCKY BUTTE...MALIBU HILLS AND CARBON CANYON...0.54 INCHES AT
HAWTHORNE AIRPORT AND IN LOMPOC...0.53 INCHES AT BEVERLY
HILLS...0.51 INCHES IN SOUTH GATE AND AT THE HOLLYWOOD
RESERVOIR...0.49 INCHES AT DOWNTOWN LOS ANGELES...0.48 INCHES AT THE
WEST FOR HELIPORT...0.47 INCHES IN CAMBRIA...0.44 INCHES AT CRYSTAL
LAKE AND IN BEL AIR...0.43 INCHES AT MOUNT WILSON...0.42 INCHES AT LOS
ANGELES AIRPORT...0.40 INCHES AT LONG BEACH AIRPORT AND IN
SOLVANG...0.39 INCHES AT UCLA...0.37 INCHES AT BURBANK AIRPORT AND
IN SAN GABRIEL...0.36 INCHES AT SHANDON...0.31 INCHES AT CIRCLE X
RANCH...OLD MAN MOUNTAIN...AND AT SANTA MARIA AIRPORT...0.29 INCHES
AT SANTA BARBARA AIRPORT...0.28 INCHES AT SAN LUIS OBISPO
AIRPORT...0.24 INCHES AT THE NATIONAL WEATHER SERVICE IN
OXNARD...0.20 INCHES IN AGOURA HILLS...NORTHRIDGE AND AT PASO ROBLES
AIRPORT...0.16 INCHES AT VAN NUYS AIRPORT...0.14 INCHES AT CAMARILLO
AIRPORT AND JUST A TRACE AT LANCASTER AND PALMDALE AIRPORTS.

DUE TO THE MORNING RAIN AND PLENTY OF CLOUDINESS...IT WAS RATHER
CHILLY ACROSS THE REGION ON THE 26TH. A WARMING TREND BEGAN ON THE
27TH...THEN TEMPERATURES WERE GENERALLY SOMEWHAT ABOVE NORMAL ON THE
28TH AND 29TH. A WEAK TROUGH MOVING INTO THE WEST COAST CAUSED A
DEEPENING MARINE LAYER WITH WIDESPREAD NIGHT THROUGH MORNING LOW
CLOUDS AND FOG IN COASTAL AND VALLEY AREAS ON THE 30TH. THIS BROUGHT
TEMPERATURES DOWN TO BELOW NORMAL LEVELS WEST OF THE
MOUNTAINS...WHILE THE MOUNTAINS AND ANTELOPE VALLEY REMAINED RATHER
WARM.


.............CLIMATE DATA FOR APRIL 2012.............

                   AVG   AVG   AVG   NORM   MONTH  TOTAL   NORM   PRECIP
                  HIGH   LOW  MONTH  MONTH  XTRMS  PRECIP PRECIP  % NORM
                  ------------------------------------------------------

L.A. DOWNTOWN      72.5  52.7  62.6  63.1   85/44   1.71   0.91   186%
L.A. ARPT          66.4  53.0  59.7  60.1   82/45   1.51   0.70   214%
LONG BEACH ARPT    72.8  53.3  63.1  62.4   86/45   1.53   0.60   255%
UCLA               68.6  52.4  60.5  61.3   82/43   1.82   0.97   188%
BURBANK ARPT       73.1  50.4  61.7  61.5   95/39   2.14   1.11   193%
LANCASTER ARPT     75.7  44.5  60.1  59.1   95/25   0.82   0.35   234%
SANDBERG           61.0  42.5  51.8  50.4   83/27   1.51   0.63   240%
CAMARILLO ARPT     67.5  48.1  57.8  58.3   82/40   1.69   0.79   214%
SANTA BARBARA ARPT 64.7  46.1  55.4  57.5   73/38   2.24   1.00   224%
SANTA MARIA ARPT   68.5  44.9  56.7  55.6   81/34   2.31   0.98   236%
PASO ROBLES ARPT   73.9  42.9  58.4  56.9   96/29   1.92   0.68   282%

$$

DB

000
FLUS46 KEKA 152308 AAA
HWOEKA

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE EUREKA CA
408 PM PDT TUE MAY 15 2012

CAZ001>003-076-162315-
REDWOOD COAST-MENDOCINO COAST-NORTH COAST INTERIOR-
MENDOCINO INTERIOR-
408 PM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

$$

CAZ004-162315-
UPPER TRINITY RIVER-
408 PM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS OVER THE MOUNTAINS OF
EASTERN TRINITY COUNTY ON THURSDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

$$

000
FLUS46 KLOX 152054
HWOLOX

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
152 PM PDT TUE MAY 15 2012

CAZ034>041-044>046-051>054-059-087-088-547-548-161300-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
152 PM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY AND TONIGHT

GUSTY WINDS WILL IMPACT PORTIONS OF THE SANTA BARBARA SOUTH COAST
AND ADJACENT SANTA YNEZ MOUNTAINS TONIGHT AS WELL AS THE INTERSTATE
5 CORRIDOR...MAKING TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES.

* WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO GALE FORCE NORTH OF
POINT CONCEPTION AND OVER THE OUTER WATERS SOUTH TO SAN CLEMENTE
ISLAND THURSDAY AFTERNOON AND THEN POSSIBLY PERSIST THROUGH FRIDAY
AFTERNOON.

* GALE WATCH...............SEE WHUS76 KLOX - MWWLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

000
FLUS46 KLOX 151631 AAA
HWOLOX

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
930 AM PDT TUE MAY 15 2012

CAZ034>041-044>046-051>054-059-087-088-547-548-161300-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
930 AM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY AND TONIGHT

GUSTY WINDS WILL IMPACT PORTIONS OF THE SANTA BARBARA SOUTH COAST
AND ADJACENT SANTA YNEZ MOUNTAINS TONIGHT AS WELL AS THE INTERSTATE
5 CORRIDOR...MAKING TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES.

* WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

WOFFORD

000
FLUS45 KPSR 151309
HWOPSR

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
609 AM MST TUE MAY 15 2012

CAZ030-161330-
JOSHUA TREE NATIONAL PARK-
609 AM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO WEATHER HAZARDS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A LOW PRESSURE SYSTEM MOVING INTO SOUTHEAST CALIFORNIA WILL LEAD TO
STRONG AND GUSTY SOUTHWEST WINDS DURING THE LATE AFTERNOON AND
EVENING HOURS THURSDAY. PEAK GUSTS TO 40 MPH ARE POSSIBLE. THE
COMBINATION OF STRONG GUSTY WIND...LOW HUMIDITY AND DRY FUELS WILL
PROMOTE DANGEROUS FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MAY
BE NEEDED FOR JOSHUA TREE NATIONAL PARK ON THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

$$

AZZ021-161330-
WEST CENTRAL DESERTS-
609 AM MST TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST-CENTRAL ARIZONA.

.DAY ONE...TODAY AND TONIGHT.

GUSTY SOUTHEAST WINDS ARE EXPECTED TODAY MAINLY DURING THE MORNING
AND EARLY AFTERNOON HOURS. SUSTAINED WINDS UP TO 25 MPH ARE POSSIBLE.
LOW HUMIDITIES ARE ALSO EXPECTED. THE COMBINATION OF GUSTY
WINDS...LOW RH VALUES AND VERY DRY FUELS WILL PROMOTE DANGEROUS FIRE
WEATHER CONDITIONS. RED FLAG CONDITIONS ARE POSSIBLE ACROSS PORTIONS
OF LA PAZ COUNTY...ESPECIALLY IN THE HIGHER TERRAIN AREAS OF NORTHERN
LA PAZ COUNTY...AND RED FLAG CRITERIA MAY BE MET AT TIMES TODAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

STRONG HIGH PRESSURE WILL DEVELOP LATER THIS WEEKEND...AND CONTINUE
INTO MONDAY. HIGH TEMPERATURES MONDAY WILL LIKELY EXCEED 105 DEGREES
AND MAY APPROACH EXCESSIVE HEAT WARNING THRESHOLDS OVER THE LOWER
DESERTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

$$

AZZ024-161330-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
609 AM MST TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST-CENTRAL ARIZONA.

.DAY ONE...TODAY AND TONIGHT.

NO WEATHER HAZARDS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A PACIFIC LOW PRESSURE SYSTEM PASSING THROUGH ARIZONA WILL LEAD TO
STRONG AND GUSTY SOUTHWEST TO WEST WINDS DURING THE AFTERNOON AND
EVENING HOURS ON FRIDAY. A FEW GUSTS MAY REACH TO NEAR 40 MPH. THE
COMBINATION OF LOW HUMIDITY AND GUSTY WINDS WILL LEAD TO DANGEROUS
FIRE WEATHER CONDITIONS FOR A FEW HOURS ACROSS PORTIONS OF SOUTHERN
GILA COUNTY. RED FLAG WARNING CRITERIA MAY BE BRIEFLY MET AND A FIRE
WEATHER WATCH MAY BE NEEDED FOR FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

$$

AZZ020-022-023-025>028-CAZ031>033-161330-
LOWER COLORADO RIVER VALLEY AZ-NORTHWEST MARICOPA COUNTY-
GREATER PHOENIX AREA-YUMA/MARTINEZ LAKE AND VICINITY-
SOUTHWEST DESERTS-SOUTHWEST MARICOPA COUNTY-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
609 AM MST TUE MAY 15 2012 /609 AM PDT TUE MAY 15 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST
ARIZONA...EXTREME WEST-CENTRAL ARIZONA...SOUTH-CENTRAL
ARIZONA...SOUTHWEST ARIZONA AND EXTREME SOUTHEAST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO WEATHER HAZARDS ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

STRONG HIGH PRESSURE WILL BUILD INTO SOUTHEAST CALIFORNIA AND ARIZONA
LATER THIS WEEKEND AND INTO THE EARLY PART OF NEXT WEEK. HIGH
TEMPERATURES OVER THE LOWER DESERTS WILL LIKELY EXCEED 105 DEGREES
OVER MUCH OF THE LOWER DESERTS NEXT MONDAY AND A FEW LOCATIONS MAY
REACH TO 110 DEGREES. IT IS POSSIBLE THAT SOME OF THE DESERTS MAY
APPROACH EXCESSIVE HEAT WARNING THRESHOLDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

$$

NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT

WEATHER.GOV/PHOENIX

000
FLUS46 KEKA 151139
HWOEKA

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
439 AM PDT TUE MAY 15 2012

CAZ001>003-076-161145-
REDWOOD COAST-MENDOCINO COAST-NORTH COAST INTERIOR-
MENDOCINO INTERIOR-
439 AM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

$$

CAZ004-161145-
UPPER TRINITY RIVER-
439 AM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ISOLATED THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AND THURSDAY
AFTERNOONS OVER THE EASTERN PORTION OF TRINITY COUNTY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

$$

000
FLUS46 KSTO 151114
HWOSTO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
414 AM PDT TUE MAY 15 2012

CAZ013>019-063-064-066>069-161400-
SHASTA LAKE AREA/NORTHERN SHASTA COUNTY-
BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES-
CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE-
EAST FOOTHILLS/NORTH SACRAMENTO VALLEY-
WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA-
414 AM PDT TUE MAY 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.

.DAY ONE...TODAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

ISOLATED AFTERNOON AND EVENING THUNDERSTORMS POSSIBLE OVER THE
HIGHER TERRAIN OF FAR NORTHERN CALIFORNIA...MAINLY WEDNESDAY AND
THURSDAY. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT
(LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO

$$

000
FLUS45 KREV 141153
HWOREV

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RENO NV
453 AM PDT MON MAY 14 2012

CAZ070>073-NVZ001>005-15000-
SURPRISE VALLEY CALIFORNIA-LASSEN-EASTERN PLUMAS-
EASTERN SIERRA COUNTIES-GREATER LAKE TAHOE AREA-MONO-
MINERAL AND SOUTHERN LYON COUNTIES-GREATER RENO-CARSON CITY-
MINDEN AREA-WESTERN NEVADA BASIN AND RANGE INCLUDING PYRAMID LAKE-
NORTHERN WASHOE COUNTY-
453 AM PDT MON MAY 14 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EASTERN SIERRA...
NORTHEAST CALIFORNIA AND WESTERN NEVADA.

.DAY ONE...TODAY AND TONIGHT

AN AREA OF LOW PRESSURE NEAR THE CALIFORNIA COAST WILL CONTINUE TO
TRACK EASTWARD AND MOVE ACROSS THE REGION MONDAY CREATING A
FAVORABLE SETUP TO PRODUCE ISOLATED THUNDERSTORMS. LIMITED
MOISTURE AND FAST MOVING STORMS WILL RESULT IN AN INCREASED RISK
OF THUNDERSTORMS WITH LITTLE PRECIPITATION.

A RED FLAG WARNING IS IN EFFECT MONDAY AFTERNOON FOR DRY THUNDERSTORMS
AN GUSTY WINDS FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...AND
NORTHERN WASHOE COUNTY. PLEASE REFER TO WWUS85 KREV RNORFWREV FOR
FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

TUESDAY SCATTERED SHOWERS AND THUNDERSTORMS WILL REMAIN ACROSS THE
NORTHERN AREAS...TRANSITIONING TO LEFTOVER SHOWERS THROUGH TUESDAY
EVENING AS THE UPPER LEVEL LOW PRESSURE SYSTEM SLOWLY MOVES EAST.

TEMPERATURES WILL REMAIN ABOVE NORMAL WITH A SLIGHT CHANCE FOR
THUNDERSTORMS THROUGH MID WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. SPOTTERS ARE
ASKED TO REMAIN ALERT AND REPORT SIGNIFICANT WEATHER TO THE NATIONAL
WEATHER SERVICE.

$$

HTTP://WEATHER.GOV/RENO