836
FNUS22 KWNS 280856
FWDDY2
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0255 AM CST SAT NOV 28 2009
VALID 291200Z - 301200Z
..NO CRITICAL AREAS
..SYNOPSIS
AN UPPER-LEVEL SHORT WAVE TROUGH OVER THE LOWER CO RIVER VALLEY WILL
CONTINUE TO TRACK SLOWLY S/SEWD...ACROSS THE GULF OF CA INTO WRN
SONORA. IN ITS WAKE...AN EXPANSIVE SURFACE ANTICYCLONE WILL SHIFT
GRADUALLY EWD ACROSS THE INTERMOUNTAIN WEST.
..SRN CA COASTAL AREA
ALTHOUGH OFFSHORE FLOW WILL COMMENCE LATE SAT OVER THE TRANSVERSE
RANGES AND DEVELOP SWD ALONG THE PENINSULAR RANGES ON SUN...OVERALL
POTENTIAL FOR CRITICAL FIRE WEATHER APPEARS TO BE MORE LOCALIZED
THAN IN PREVIOUS FORECASTS. 30-40 MPH N/NELYS AT 700 MB SHOULD
OVERSPREAD THE AREA BY SUN AFTERNOON...HOWEVER RELATIVELY MODEST
LOW-LEVEL PRESSURE/THERMAL GRADIENTS SHOULD RESULT IN SUSTAINED
SURFACE WINDS ONLY PEAKING FROM 15 TO 20 MPH AT LOW/MID-ELEVATIONS
DURING THE PERIOD. DESPITE SUBSTANTIAL DRYING OF AN ANTECEDENT MOIST
AIR MASS...MIN RH VALUES MAY ONLY BECOME MARGINALLY LOW /AROUND 15
PERCENT/ ADJACENT TO THE SAN GABRIEL/BERNARDINO MTNS WHERE DOWNSLOPE
EFFECTS SHOULD BE MOST PRONOUNCED. NEVERTHELESS...LITTLE TO NO RH
RECOVERY IS ANTICIPATED SUN NIGHT. ULTIMATELY...A MARGINAL TO
LOCALIZED CRITICAL THREAT IS EXPECTED.
..GRAMS.. 11/28/2009
..PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT
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