Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

Click for Day 1 FireWX Areal Outline Product

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 290939
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0339 AM CST SUN NOV 29 2009
   
   VALID 291200Z - 301200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   AN UPPER-LEVEL SHORT WAVE TROUGH OVER THE LOWER CO RIVER VALLEY WILL
   TRACK SLOWLY S/SEWD...ACROSS THE GULF OF CA INTO WRN
   SONORA BY EARLY MON. IN ITS WAKE...AN EXPANSIVE SURFACE ANTICYCLONE
   WILL GRADUALLY SHIFT EWD ACROSS THE INTERMOUNTAIN WEST.
   
   ...SRN CA COASTAL AREA...
   MODEL FORECASTS ARE CONSISTENT THAT 30-40 MPH N/NELYS AT 700 MB WILL
   PERSIST THROUGH THE PERIOD...MAINTAINING WEAK TO LOCALLY MODERATE
   OFFSHORE FLOW. PERIODS OF SUSTAINED SURFACE WINDS OF 15 TO 20 MPH
   APPEAR LIKELY IN FAVORED CANYONS/PASSES...PRIMARILY ALONG THE
   TRANSVERSE RANGES. ALTHOUGH ONGOING RH VALUES ARE MODERATE TO
   HIGH...DIURNAL HEATING COMBINED WITH DOWNSLOPE WARMING/DRYING WILL
   RESULT IN SUBSTANTIALLY LOWER RH BY LATE AFTERNOON.
   NEVERTHELESS...CRITICALLY LOW RH /AOB 15 PERCENT/ SHOULD BE
   LOCALIZED IN AREAL EXTENT ADJACENT TO THE SAN GABRIEL/BERNARDINO
   MTNS WHERE DOWNSLOPE EFFECTS SHOULD BE MOST PRONOUNCED. STILL WITH
   MINIMAL RH RECOVERY SUN NIGHT...MARGINAL TO LOCALIZED CRITICAL
   CONDITIONS ARE EXPECTED.
   
   ..GRAMS.. 11/29/2009
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      
Day 2 Fire Weather Forecast graphic

Click for Day 2 FireWX Areal Outline Product

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 290941
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0341 AM CST SUN NOV 29 2009
   
   VALID 301200Z - 011200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   AN UPPER-LEVEL TROUGH OVER WRN SONORA WILL EJECT EWD TO CHIHUAHUA.
   SURFACE ANTICYCLONE OVER THE ERN GREAT BASIN WILL WEAKEN AS AN
   UPPER-LEVEL SHORT WAVE TROUGH DIGS ALONG THE SWRN CANADIAN ROCKIES.
   
   ...SRN CA COASTAL AREA...
   MARGINAL TO LOCALIZED CRITICAL CONDITIONS SHOULD BE ONGOING AT
   12Z/MON...PARTICULARLY ADJACENT TO THE COASTAL MTNS INVOF LOS
   ANGELES BASIN. OFFSHORE FLOW WILL DIMINISH DURING THE
   MID/LATE-MORNING AS THE SURFACE PRESSURE GRADIENT RELAXES AND SHOULD
   REMAIN LIGHT THROUGH THE AFTERNOON AS LOW/MID-LEVEL WINDS SUBSIDE
   WITH THE NRN MEXICO SHORT WAVE TROUGH EJECTING FARTHER EWD.
   NEVERTHELESS...RH VALUES AROUND 15 PERCENT SHOULD BECOME WIDESPREAD
   DURING THE AFTERNOON AWAY FROM THE IMMEDIATE COAST.
   
   ..GRAMS.. 11/29/2009
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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