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RAIN AND MOUNTAIN SNOW TO RETURN TO SOUTHWESTERN CALIFORNIA

NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
238 PM PST MON JAN 24 2005

ANTELOPE VALLEY-CATALINA ISLAND-CUYAMA VALLEY-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
LOS ANGELES COUNTY VALLEYS-SAN LUIS OBISPO COUNTY CENTRAL COAST-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-
SAN LUIS OBISPO COUNTY MOUNTAINS-SANTA BARBARA COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY MOUNTAINS-SANTA BARBARA COUNTY SOUTH COAST-
SANTA CLARITA VALLEY-SANTA MONICA MOUNTAINS RECREATIONAL AREA-
SANTA YNEZ VALLEY-VENTURA COUNTY COAST-VENTURA COUNTY COASTAL VALLEYS-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY MOUNTAINS-
238 PM PST MON JAN 24 2005

...RAIN AND MOUNTAIN SNOW TO RETURN TO SOUTHWESTERN CALIFORNIA...

A SERIES OF PACIFIC STORM SYSTEMS WILL MARCH ACROSS THE PACIFIC EARLY
THIS WEEK. AN UPPER LEVEL LOW WEST OF POINT CONCEPTION...WILL MOVE
NORTH TONIGHT...BRINGING INCREASINGLY MOIST AIR NORTH ACROSS OUR
AREA. AREAS OF LIGHT RAIN WILL BEGIN TO DEVELOP OVER THE HIGHER
TERRAIN AND SOUTH-FACING SLOPES OF SANTA BARBARA...VENTURA AND LOS
ANGELES COUNTIES LATE TONIGHT. WHILE THIS INITIAL RAINFALL IS EXPECTED
TO BE LIGHT...THE ATMOSPHERE WILL BECOME PRIMED FOR A STRONGER UPPER
LEVEL SYSTEM EXPECTED TO MOVE THROUGH TUESDAY NIGHT AND WEDNESDAY.

RAIN WILL INCREASE IN COVERAGE AND INTENSITY FROM WEST TO EAST TUESDAY
EVENING AND CONTINUE THROUGH MUCH OF WEDNESDAY. RAINFALL RATES DURING
THIS PERIOD WILL BE GENERALLY AROUND A TENTH OF INCH PER HOUR...BUT
HIGHER RATES NEAR ONE QUARTER INCH PER HOUR ARE POSSIBLE ON FAVORABLE
SOUTH-FACING MOUNTAIN SLOPES. TOTAL RAINFALL AMOUNTS WILL RANGE
BETWEEN ONE HALF INCH AND ONE INCH ACROSS THE COAST AND VALLEYS...
AND BETWEEN ONE AND TWO AND A HALF INCHES IN THE MOUNTAINS. LOCAL
AMOUNTS AROUND 4 INCHES ARE POSSIBLE BY THE END OF THE DAY
WEDNESDAY...WITH HIGHEST AMOUNTS OVER THE SANTA YNEZ RANGE AND
SOUTH-FACING SLOPES OF THE VENTURA AND LOS ANGELES COUNTY
MOUNTAINS. WHILE THIS STORM DOES NOT RESEMBLE THE INTENSITY OF THE
STORM WE EXPERIENCED TWO WEEKS AGO...ANY ADDITIONAL RAINFALL ON
NEARLY SATURATED GROUND AND WEAKENED HILLSIDES COULD LEAD TO A RAPID
ONSET OF FLASH FLOODING...MUDSLIDES...DEBRIS FLOWS AND LANDSLIDES.
PLEASE SEE OUR HYDROLOGIC OUTLOOK (LAXESFLOX) FOR FURTHER DETAILS.

THE SNOW LEVEL THROUGH WEDNESDAY IS EXPECTED TO BE AROUND 6500 FEET...
THOUGH SOME LOWERING TO AROUND 6000 FEET IS POSSIBLE LATER
WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF ONE TO TWO FEET ARE POSSIBLE
AT THE RESORT LEVELS OF THE VENTURA AND LOS ANGELES COUNTY MOUNTAINS
WITH HEAVIEST SNOW FALLING LATE TUESDAY NIGHT THROUGH WEDNESDAY.

PEOPLE ARE URGED TO CONTINUE TO MONITOR FORECASTS AND HAZARDOUS
WEATHER STATEMENTS FROM THE NATIONAL WEATHER SERVICE FOR THE
LATEST DEVELOPMENTS REGARDING THIS WEEKS RAIN AND MOUNTAIN SNOW. TRAVEL
THROUGH THE HIGHER MOUNTAINS OF SOUTHERN CALIFORNIA WILL LIKELY
BECOME DANGEROUS BY TUESDAY NIGHT AND TRAVELERS ARE URGED TO CHECK
THE LATEST WEATHER AND ROAD REPORTS BEFORE DEPARTING.

FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
HTTP://WWW.WEATHER.GOV/losangeles.

$$

MOYER

EDIS-01-24-05 1439 PST