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A PACIFIC STORM WILL BRING RAIN TO SOUTHERN CALIFORNIA WI...

NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
500 AM PST THU DEC 1 2005

CAZ034>041-044>047-051>054-059-087-088-010200-
SAN LUIS OBISPO COUNTY COAST-SANTA BARBARA COUNTY NORTH COAST-
SANTA YNEZ VALLEY-SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-
CUYAMA VALLEY-SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST-VENTURA COUNTY INTERIOR VALLEYS-
VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-LOS ANGELES COUNTY VALLEYS-
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-
500 AM PST THU DEC 1 2005

...A PACIFIC STORM WILL BRING RAIN TO SOUTHERN CALIFORNIA WITH SNOW
AT VERY HIGH ELEVATIONS LATE THURSDAY INTO SATURDAY MORNING...

A STRONG UPPER LOW IN THE EASTERN PACIFIC IS MOVING TOWARD THE WEST
COAST TODAY. ITS ASSOCIATED FRONTAL SYSTEM IS SPREADING RAIN INTO
NORTHERN CALIFORNIA THIS MORNING AND IS EXPECTED TO MOVE INTO
CENTRAL CALIFORNIA LATER THIS AFTERNOON...THEN WORK SLOWLY SOUTHWARD
INTO SOUTHERN CALIFORNIA LATER TONIGHT AND FRIDAY. THIS SYSTEM
WAS TAPPING INTO A LARGE AREA OF SUBTROPICAL MOISTURE...AND HAS THE
POTENTIAL TO BRING HEAVY RAINFALL TO PORTIONS OF THE FORECAST AREA.

RAIN WITH THE FRONT IS EXPECTED TO PUSH INTO SAN LUIS OBISPO AND
SANTA BARBARA COUNTIES LATE THIS AFTERNOON OR EVENING...WITH
RAIN...POSSIBLY HEAVY AT TIMES OVERNIGHT TONIGHT...AND THEN
TURNING TO SHOWERS ON FRIDAY. ACROSS LOS ANGELES AND VENTURA
COUNTIES...RAIN IS EXPECTED TO DEVELOP VERY LATE TONIGHT OR FRIDAY
MORNING...WITH RAIN...POSSIBLY HEAVY AT TIMES FRIDAY...TURNING TO
SHOWERS FRIDAY AFTERNOON AND EVENING.

SNOW LEVELS WILL START OUT FAIRLY HIGH...DUE TO THE SUBTROPICAL
NATURE OF THIS SYSTEM. COLDER AIR PUSHING INTO THE REGION FROM THE
NORTH WILL CAUSE SNOW LEVELS TO FALL SHARPLY FRIDAY NIGHT...POSSIBLY
TO AS LOW AS 4500 FEET. THERE MAY BE ENOUGH LINGERING MOISTURE IN THE
MOUNTAINS FRIDAY NIGHT AND EARLY SATURDAY TO RESULT IN SEVERAL INCHES
OF SNOW...PARTICULARLY ON NORTHERN SLOPES. IF ENOUGH COLD AIR PUSHES
INTO THE REGION...SNOW COULD ACTUALLY FALL ON THE GRAPEVINE LATE
FRIDAY NIGHT INTO EARLY SATURDAY...WHICH WOULD SERIOUSLY IMPACT
TRAVEL.

THERE IS STILL UNCERTAINTY WITH RESPECT TO THE TIMING AND INTENSITY
OF RAINFALL WITH THIS SYSTEM. HOWEVER...IT HAS THE POTENTIAL TO
BRING HEAVY RAIN TO THE AREA...HEIGHTENING CONCERNS FOR FLASH
FLOODING IN AND BELOW THE BURN AREAS OF SANTA BARBARA...VENTURA...
AND LOS ANGELES COUNTIES. PRELIMINARY RAINFALL ESTIMATES ARE FOR ONE
HALF TO ONE INCH OF RAIN ALONG THE CENTRAL COAST WITH UP 2 INCHES IN
THE FOOTHILLS AND MOUNTAINS. SOUTH OF POINT CONCEPTION AMOUNTS ARE
EXPECTED TO RANGE FROM AROUND A HALF INCH AT LOWER ELEVATIONS TO 1
TO 2 INCHES IN THE MOUNTAINS WITH ISOLATED AMOUNTS AS HIGH AS THREE
INCHES. RIGHT NOW THE HEAVIEST RAINFALL AMOUNTS ARE FORECAST TO BE
IN SAN LUIS OBISPO COUNTY...PARTICULARLY OVER THE COASTAL RANGES
NORTHWEST OF SAN LUIS OBISPO.

SOUTHERN CALIFORNIA RESIDENTS ARE URGED TO LISTEN TO NOAA WEATHER
RADIO OR YOUR LOCAL MEDIA FOR LATER UPDATES ON THIS DEVELOPING
SITUATION. RESIDENTS NEAR BURN AREAS SHOULD PAY VERY CLOSE ATTENTION
TO UPDATED FORECASTS AND POSSIBLE WARNINGS.

$$

WOFFORD

FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/LOSANGELES.




EDIS-12-01-05 0504 PST