Expires:201109242030;Remove:201109242030;081299
WWUS86 KMTR 232039
SPSMTR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA CA
130 PM PDT FRI SEP 23 2011

CAC001-013-041-055-075-081-085-087-097-242030-
ALAMEDA-CONTRA COSTA-MARIN-NAPA-SAN FRANCISCO-SAN MATEO-SANTA CLARA-
SANTA CRUZ-SONOMA-
130 PM PDT FRI SEP 23 2011
...AN EARLY FALL WEATHER SYSTEM TO BRING MEASURABLE RAIN TO THE SAN
FRANCISCO BAY REGION LATER THIS WEEKEND...
A DEVELOPING UPPER LEVEL TROUGH CURRENTLY WELL NORTHWEST OF
CALIFORNIA IS EXPECTED SHIFT SOUTHEASTWARD AND IMPACT CENTRAL
CALIFORNIA THIS WEEKEND.  WHILE SATURDAY IS EXPECTED TO BE DRY...A
WEAK FRONT ASSOCIATED WITH THIS TROUGH IS PROJECTED TO PUSH THROUGH
THE GREATER SAN FRANCISCO BAY REGION SUNDAY AFTERNOON AND EVENING.
LIGHT PRECIPITATION COULD BEGIN BY LATE MORNING SUNDAY ACROSS THE
NORTH BAY AND THEN SHIFT SOUTHWARD SUNDAY AFTERNOON BRINGING THE
POTENTIAL FOR MEASURABLE RAIN AS FAR SOUTH AS THE MONTEREY BAY
REGION. RAINFALL TOTALS BY SUNDAY EVENING ARE ONLY EXPECTED TO BE A
QUARTER INCH OR LESS ACROSS THE NORTH BAY WITH LESSER AMOUNTS TO THE
SOUTH.
BEING THE FIRST MEASURABLE RAIN EVENT OF THE FALL...PEOPLE ARE
ADVISED TO BE CAUTIOUS WHEN ON THE ROADWAYS SUNDAY AFTERNOON AND
EVENING AS ROADS THAT HAVE BEEN DRY FOR QUITE AWHILE CAN BECOME
SLIPPERY AND DANGEROUS EVEN WITH JUST LIGHT RAIN FALLING ON THEM.
AT THIS TIME THE MAIN TROUGH IS EXPECTED TO BE EAST OF THE AREA BY
LATER SUNDAY EVENING AND ANY MEASURABLE RAIN ALL BUT OVER-WITH BY 9
PM SUNDAY EVENING.
$$
WJK