NATIONAL WEATHER SERVICE SAN FRANCISCO CA 203 PM PST FRI NOV 19 2004 .STRONG HIGH PRESSURE IS BUILDING INTO THE GREAT BASIN AND WILL PRODUCE VERY GUSTY NORTH TO NORTHEAST WINDS TONIGHT THROUGH SUNDAY MORNING. THE STRONGEST WINDS WILL LIKELY BE NEAR THE NORTH AND EAST BAY HILLS...WITH GUSTY CONDITIONS POSSIBLE NEAR THE DELTA AND SAN PABLO BAY AS WELL. WINDS WILL BE STRONGEST SATURDAY MORNING AND AGAIN SUNDAY MORNING WITH SOME DIMINISHING OF WINDS DURING THE DAY SATURDAY. HIGH PRESSURE WILL WEAKEN SOMEWHAT SUNDAY AFTERNOON ALLOWING THE WINDS TO SUBSIDE. A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 35 TO 39 MPH OR GUSTS RANGE BETWEEN 45 AND 57 MPH. WINDS OF THESE MAGNITUDES ARE CAPABLE OF CAUSING MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. ALAMEDA AND CONTRA COSTA COUNTIES CA-NAPA COUNTY CA- SONOMA AND MARIN COUNTIES CA- ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON PST SUNDAY... THE NATIONAL WEATHER SERVICE HAS ISSUED A WIND ADVISORY FROM 10 PM TONIGHT THROUGH 12 NOON SUNDAY FOR THE NORTH AND EAST BAY. NORTH TO NORTHEAST WINDS WILL INCREASE TO 15 TO 30 MPH TONIGHT WITH OCCASIONAL GUSTS TO 45 MPH...ESPECIALLY NEAR THE NORTH AND EAST BAY HILLS. ALTHOUGH WINDS WILL GENERALLY BE LIGHTER AT LOWER ELEVATIONS...OCCASIONAL STRONG GUSTS ARE POSSIBLE THERE AS WELL. NORTHEAST WINDS MAY DIMINISH SLIGHTLY DURING THE DAY SATURDAY...BUT WILL INCREASE ONCE AGAIN SATURDAY NIGHT AND EARLY SUNDAY.
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