Saturday, November 20, 2010

latest update on the winter storm

AFTER A BRIEF PAUSE BETWEEN SYSTEMS THIS MORNING...AN UPPER LEVEL
LOW WILL APPROACH AND MOVE INTO THE AREA THIS AFTERNOON AND
SUNDAY BRINGING COLDER AIR AND ADDITIONAL PRECIPITATION. THE
COLDER AIR WILL BRING INSTABILITY FOR THE POSSIBILITY OF ISOLATED
THUNDERSTORMS THIS AFTERNOON INTO SUNDAY. SNOW LEVELS OVER THE REGION
HAVE DROPPED TO AROUND 2000 TO 3000 FEET AND WILL DROP FURTHER
TONIGHT INTO SUNDAY MORNING TO AROUND 1000 TO 2000 FEET.

THIS SYSTEM WILL BRING MODERATE TO HEAVY AMOUNTS OF RAINFALL TO
THE CENTRAL VALLEY. RAINFALL AMOUNTS ARE EXPECTED TO BE 1 TO 2
INCHES IN THE VALLEY AND 2 TO 3 INCHES IN THE FOOTHILLS WITH THE
MAJORITY OF THE PRECIPITATION FALLING THIS WEEKEND. LOCAL FLOODING
FROM CLOGGED DRAINS IS POSSIBLE.

THIS STORM SYSTEM WILL ALSO BRING WIND GUSTS OF 40 TO 50 MPH OVER
THE OVER THE HIGHER ELEVATIONS OF THE NORTHERN SIERRA NEVADA AND
SOUTHERN CASCADES. WINDS GUSTING TO 40 MILES ARE EXPECTED OVER
THE NORTHERN SACRAMENTO VALLEY THIS AFTERNOON AND EARLY EVENING.

THIS VERY COLD LOW PRESSURE SYSTEM WILL ALSO BRING COLD TEMPERATURES
TO THE REGION THIS WEEKEND. WITH DAYTIME TEMPERATURES ONLY WARMING
INTO THE MID 40S TO LOWER 50S FOR DAYTIME HIGHS IN THE CENTRAL
VALLEY AND MAINLY IN THE 20S AND 30S FOR THE MOUNTAINS. EVEN
COLDER WEATHER WITH FREEZE AND FROST DANGER ARE POSSIBLE NEXT
WEEK.

RESIDENTS OF THE MOUNTAINS AND FOOTHILL ELEVATIONS...AND ANYONE
PLANNING TRAVEL TO THE MOUNTAINS THIS WEEKEND SHOULD MONITOR THE
LATEST WEATHER FORECASTS AND PREPARE FOR HAZARDOUS WINTER WEATHER
CONDITIONS THIS WEEKEND. CARRY CHAINS AND BE PREPARED FOR POSSIBLE
DELAYS AND THE COLD WINTRY WEATHER.

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