Tuesday, December 14, 2010

storms coming, bringing wet and snowy conditions

STORMY WEATHER HEADED FOR NORTHERN CALIFORNIA THIS WEEKEND INTO
EARLY NEXT WEEK...

A LARGE WEATHER SYSTEM DROPPING OUT OF THE GULF OF ALASKA WILL
BRING RAIN...WIND AND LARGE AMOUNTS OF MOUNTAIN SNOW TO NORTHERN
CALIFORNIA FRIDAY THROUGH THE WEEKEND AND INTO NEXT WEEK. THE
FIRST DISTURBANCE TO MOVE INTO NORTHERN CALIFORNIA WILL BRING RAIN
AND MOUNTAIN SNOW BY FRIDAY. PRECIPITATION WILL START OUT FAIRLY
LIGHT BUT THEN INCREASE IN INTENSITY. PERIODS OF HEAVY RAIN AND
MOUNTAIN SNOW WILL DEVELOP BY LATE FRIDAY NIGHT AND SATURDAY. RAIN
AND SNOW ARE EXPECTED TO REMAIN NEARLY CONTINUOUS THROUGH THE
WEEKEND WITH MORE PERIODS OF HEAVY PRECIPITATION EXPECTED EARLY
NEXT WEEK.

JUST HOW MUCH RAIN AND SNOW WILL FALL THIS WEEKEND IS STILL
UNCLEAR...BUT IF CURRENT FORECAST PROJECTIONS ARE ON TRACK...THE
CENTRAL VALLEY COULD SEE OVER 2 INCHES OF RAINFALL WHILE THE
FOOTHILLS COULD SEE SEVERAL INCHES OF RAINFALL. AT THE HIGHER
ELEVATIONS...NEW SNOWFALL ACCUMULATIONS OF SEVERAL FEET WILL BE
POSSIBLE. SNOW LEVELS ARE EXPECTED TO BE FAIRLY TYPICAL FOR THIS
TIME OF YEAR VARYING BETWEEN 4000 AND 6000 FEET. THIS PUTS SNOW
LEVELS BELOW THE MAJOR PASS LEVELS AND TRAVEL DIFFICULTIES THROUGH
THE MOUNTAINS WILL ALMOST CERTAINLY BECOME A FACTOR AS HEAVY SNOW
ACCUMULATIONS OCCUR. GUSTY WINDS WILL BRING BLOWING SNOW AND
REDUCED VISIBILITIES AS WELL.

AT THE LOWER ELEVATIONS...LEAF FALL AND CLOGGED STORM DRAINS STILL
REMAIN A PROBLEM THIS SEASON AND WILL LIKELY CAUSE LOCALIZED
STREET FLOODING DURING PERIODS OF HEAVY RAIN.

MORE RAIN AND MOUNTAIN SNOW IS EXPECTED INTO EARLY NEXT WEEK AND
THIS WET PATTERN MAY CONTINUE THROUGH NEXT WEEK AS WELL.

NORTHERN CALIFORNIANS SHOULD BE PREPARED FOR AN EXTENDED PERIOD OF
VERY WET WEATHER BEGINNING THIS FRIDAY. IF TRAVELING...ESPECIALLY
THROUGH THE MOUNTAINS...BE SURE AND CHECK THE LATEST WEATHER
AND ROAD CONDITIONS BEFORE DEPARTURE AND CONTINUE TO MONITOR THIS
DEVELOPING STORM SYSTEM.

No comments:

Post a Comment