STORM SYSTEM TO AFFECT SOUTHWEST CALIFORNIA TUESDAY NIGHT...

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STORM SYSTEM TO AFFECT SOUTHWEST CALIFORNIA TUESDAY NIGHT...

NATIONAL WEATHER SERVICE SAN DIEGO CA
1000 PM PDT SUN OCT 24 2004

ORANGE COUNTY COASTAL AREAS-
SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-
SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-
APPLE AND YUCCA VALLEYS-
COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
1000 PM PDT SUN OCT 24 2004

...STORM SYSTEM TO AFFECT SOUTHWEST CALIFORNIA TUESDAY NIGHT AND
WEDNESDAY...

A STORM SYSTEM FORMING OVER THE GULF OF ALASKA WILL MOVE SOUTH AND
REACH PARTS OF SOUTHERN CALIFORNIA LATE TUESDAY. THE BRUNT OF THE
STORM WILL ARRIVE IN SOUTHWESTERN CALIFORNIA TUESDAY NIGHT INTO
WEDNESDAY. HIGH AMOUNTS OF MOISTURE COMBINED WITH STRONG WINDS ALOFT
AND INSTABILITY WILL RESULT IN HEAVY RAINS...ESPECIALLY ALONG
THE MOUNTAIN SLOPES. STRONG GUSTY WINDS WILL OCCUR OVER THE
MOUNTAINS AND DESERTS...AND LOCALLY AT THE COAST.

RAINFALL ESTIMATES ARE FOR ONE TO TWO INCHES IN THE COASTAL AREAS
AND VALLEYS...TWO TO FOUR INCHES ON THE WEST AND SOUTHWEST FACING
MOUNTAIN SLOPES...AND LESS THAN HALF AN INCH IN THE DESERTS.
HIGHEST RAINFALL TOTALS WILL BE ON THE SOUTHWEST FACING SLOPES OF
THE SAN BERNARDINO COUNTY MOUNTAINS WHERE LOCALLY 5 TO 9 INCHES OF
RAIN COULD FALL. AMOUNTS OF OVER TWO INCHES ARE POSSIBLE NEAR THE
COAST IF THUNDERSTORMS OCCUR.

THERE COULD BE FLASH FLOODING FROM THE MOUNTAINS WEST TO THE
COAST...AND POSSIBLY EVEN IN THE APPLE VALLEY AREA. MUD
SLIDES...ROCK SLIDES AND DEBRIS FLOW IN AND BELOW THE RECENTLY
BURNED AREAS COULD CAUSE ROAD CLOSURES AT TIMES DURING THIS STORM.

THE SNOW LEVEL WILL LOWER FROM AROUND 7000 FEET LATE TUESDAY TO AS
LOW AS 5000 FEET WEDNESDAY. THERE WILL BE LOCAL LARGE SNOW
ACCUMULATIONS OF OVER 12 INCHES AT THE HIGHER ELEVATIONS ABOVE 6000
FEET OF THE SAN BERNARDINO AND RIVERSIDE COUNTY MOUNTAINS. TRAVEL
WILL BE DIFFICULT IN THE MOUNTAINS...ESPECIALLY WEDNESDAY.

SHOWERS WILL GRADUALLY DECREASE WEDNESDAY NIGHT AND THURSDAY MORNING
AS THE STORM WILL MOVE EAST. DRY WEATHER IS EXPECTED TOWARDS THE
END OF THE WEEK.

$$

MAXWELL

EDIS-10-24-04 2153 PDT