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 040717
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0117 AM CST THU JAN 04 2007
   
   VALID 041200Z - 051200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   AN UPPER-LEVEL LOW CENTERED NEAR THE TX BIG BEND WILL SLIDE EWD
   TOWARDS THE LOWER MS RIVER VALLEY. MODERATE W/NWLY FLOW IN THE WAKE
   OF THIS SYSTEM WILL ENHANCE DOWNSLOPE WARMING/DRYING OVER THE FAR
   SRN HIGH PLAINS AFTER RECENT PRECIPITATION. FURTHER W...AN
   UPPER-LEVEL TROUGH OFF THE PACIFIC NW COAST WILL AMPLIFY ACROSS THE
   WRN CONUS...WITH THE TROUGH AXIS REACHING SRN CA/GREAT BASIN BY 12Z
   FRIDAY. AHEAD OF THE TROUGH...A LEE SURFACE LOW WILL ORGANIZE OVER
   THE CNTRL HIGH PLAINS. AN ASSOCIATED COLD FRONT WILL DROP SEWD
   ACROSS THE CNTRL INTERMOUNTAIN WEST...AND THROUGH SRN CA/SWRN
   DESERTS EARLY FRIDAY.
   
   ...SRN CA...
   MOIST ONSHORE FLOW WILL INCREASE THROUGH THIS AFTERNOON INTO THE
   EVENING...WITH SCATTERED LIGHT RAIN SHOWERS AFFECTING AREAS IN
   VICINITY OF THE COASTAL MTNS. OVERNIGHT...GUSTY N/NWLY WINDS WILL
   OCCUR AFTER THE PASSAGE OF A COLD FRONT. THIS WILL LEAD TO DOWNSLOPE
   DRYING...WITH TEMPERATURES FALLING MAINLY INTO THE 40S.
   
   ..GRAMS.. 01/04/2007
   
   ...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 040800
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0200 AM CST THU JAN 04 2007
   
   VALID 051200Z - 061200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR LA BASIN/SRN CA INTO THE LOWER CO
   VALLEY...
   
   ...SYNOPSIS...
   LARGE-SCALE TROUGH /INITIALLY FROM THE GREAT BASIN SWWD TO OFF THE
   CNTRL AND SRN CA COAST/ WILL UNDERGO AMPLIFICATION FRIDAY AND FRIDAY
   NIGHT AS IT TRANSLATES SEWD THROUGH THE FOUR CORNERS REGION AND NRN
   MEXICO.  IN THE LOW-LEVELS...COLD FRONT ATTENDANT TO LOW PRESSURE
   OVER SERN CO SWWD INTO THE LOWER CO VALLEY FRIDAY MORNING...WILL
   PUSH SEWD THROUGH THE MIDDLE AND LOWER RIO GRANDE VALLEY AND MUCH OF
   THE SRN PLAINS BY SATURDAY MORNING.  STRONG SUBSIDENCE IN THE WAKE
   OF THIS UPPER WAVE AND SURFACE FRONT WILL SUPPORT THE SWD/SEWD
   DEVELOPMENT OF LOW-LEVEL ANTICYCLONE FROM THE PACIFIC NW/NRN CA
   COAST INTO THE GREAT BASIN THROUGH THE PERIOD.
   
   ...CRITICAL FIRE WEATHER AREA - LA BASIN/SRN CA INTO THE LOWER CO
   VALLEY FRIDAY AND FRIDAY NIGHT...
   
   PRIMARY CONDITIONS: LOW RELATIVE HUMIDITY AND STRONG SURFACE WINDS
   
   A STRONG OFFSHORE WIND EVENT APPEARS LIKELY TO DEVELOP ACROSS
   CRITICAL FIRE WEATHER AREA FRIDAY INTO FRIDAY NIGHT.  THERE IS SOME
   POTENTIAL FOR LIGHT RAIN ALONG COLD FRONT THURSDAY AND THURSDAY
   NIGHT.  HOWEVER...RAPID DRYING IS FORECAST AS N/NE SUSTAINED WINDS
   INCREASE TO 20 TO 30 MPH /40 TO 50 MPH THROUGH PASSES/...REDUCING
   AFTERNOON RELATIVE HUMIDITIES TO 10 TO 20 PERCENT /LOCALLY 5 TO 10
   PERCENT/.  DAYTIME HIGHS ARE NOT EXPECTED TO BE PARTICULARLY WARM
   /UPPER 50S TO LOWER 60S F/...THOUGH THE STRONG WINDS AND DRYING
   BOUNDARY LAYER WILL RESULT IN DANGEROUS FIRE WEATHER CONDITIONS.
   
   AMBIENT WIND SPEEDS SHOULD TEND TO DIMINISH SLIGHTLY FRIDAY
   NIGHT...THOUGH LOCALLY STRONG GUSTS WILL PERSIST WITHIN
   GEOGRAPHICALLY FAVORED VALLEYS.  RELATIVE HUMIDITY RECOVERY WILL
   REMAIN POOR THROUGH THE OVERNIGHT HOURS.
   
   ...SERN NM/PORTIONS WRN TX...
   
   INCREASING WLY TROPOSPHERIC WIND COMPONENT AHEAD OF APPROACHING
   MID-LEVEL TROUGH AND SURFACE COLD FRONT WILL RESULT IN DOWNSLOPE
   WARMING ACROSS REGION FRIDAY AFTERNOON.  HIGH TEMPERATURES OF 65 TO
   75 F ARE FORECAST WITH RESULTING RELATIVE HUMIDITIES FALLING TO 15
   TO 20 PERCENT.  HOWEVER...RECENT PRECIPITATION SHOULD PRECLUDE A
   MORE SUBSTANTIAL FIRE WEATHER THREAT.
   
   ..MEAD/GRAMS.. 01/04/2007
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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