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 120655
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1255 AM CST FRI DEC 12 2008
   
   VALID 121200Z - 131200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   A MAJOR PATTERN CHANGE IS UNDERWAY THIS MORNING AS A LARGE SCALE
   UPPER TROUGH BEGINS TO SET UP IN THE WEST. THE MAIN JET CORE WILL
   JUST BEGIN TO OVERSPREAD MUCH OF THE WEST...WITH STRONG WLY TO NWLY
   UPPER LEVEL WINDS QUICKLY DIVING SSEWD. STRONG WINDS WILL REACH THE
   SOUTHWESTERN STATES BY EARLY MORNING. MOISTURE AHEAD OF A LEADING
   TROUGH CURRENTLY ORIENTED SW TO NE ACROSS NORTHERN CALIFORNIA AND
   IDAHO WILL LIMIT CRITICALLY LOW RHS DESPITE STRONGER WINDS.
   NEVERTHELESS...GUSTY SLY WINDS MAY BE POSSIBLE ACROSS THE SRN PLAINS
   AHEAD OF THE SYSTEM...AND WILL BE JUXTAPOSED WITH MARGINAL RHS. 
   
   FARTHER E...THE UPPER TROUGH NEAR THE GREAT LAKES REGION...AND
   ANOTHER LOW QUICKLY MOVING NEWD WILL BE MOVING OFFSHORE THE ATLANTIC
   COAST BY EARLY SAT. BEHIND THE LOW IN THE SE...DRIER AIR WILL
   ENTRAIN INTO THE AREA...AND NWLY WINDS NEAR 15 MPH WILL ALIGN WITH
   MARGINALLY LOW RHS IN THE FL PANHANDLE. RECENT RAINFALL SHOULD HELP
   TO MITIGATE THE THREAT.
   
   ..HURLBUT.. 12/12/2008
   
   ...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 120753
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0153 AM CST FRI DEC 12 2008
   
   VALID 131200Z - 141200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR SERN NM/WRN TX AND OK/SWRN KS...
   
   ...SYNOPSIS...
   A LONG WAVE TROUGH WILL AMPLIFY ACROSS THE WEST. STRONG WINDS WILL
   OVERSPREAD THE SWRN STATES AROUND THE BASE OF THE TROUGH...WITH NWLY
   WINDS IN MUCH OF CNTRL CA...WRN WINDS ACROSS SRN CA/NV/UT AND
   AZ...AND SWLY WINDS INTO THE SRN PLAINS. IN GENERAL THE SYSTEM WILL
   BRING AN INCREASE IN MOISTURE...AND RELATIVE HUMIDITIES WILL REMAIN
   WELL ABOVE CRITICAL THRESHOLDS DESPITE THE INCREASE IN WINDS.
   
   THE EXCEPTION WILL BE ACROSS PORTIONS OF THE SRN PLAINS AS LEE
   CYCLOGENESIS OCCURS IN RESPONSE TO THE SYSTEM. SLY/SWLY WINDS WILL
   INCREASE ACROSS SERN NM/WRN TX AND OK...AND SWRN KS...AND WILL ALIGN
   WITH LOW RHS.
   
   ...CRITICAL FIRE WEATHER AREA - SERN NM/WRN TX AND OK/SWRN KS...
   
   PRIMARY CONDITIONS: STRONG WINDS...LOW RH
   
   LEE CYCLOGENESIS WILL INITIALLY OCCUR NEAR MT/WY...BUT LOW PRESSURE
   WILL GRADUALLY SAG SWD THROUGH THE DAY AS ARCTIC HIGH PRESSURE
   PUSHES INTO THE NRN PLAINS. A SURFACE LOW WILL BE LOCATED INVOF NERN
   CO BY AFTERNOON...WITH A TROUGH EXTENDING SWD ROUGHLY THROUGH THE
   CO/KS BORDERS...THEN SSWWD INTO FAR WRN TX. SLY/SWLY WINDS WILL
   INCREASE THROUGHOUT THE DAY AS RELATIVE HUMIDITIES DROP. SUSTAINED
   SPEEDS WILL BE NEAR 20 TO 25 MPH...WITH GUSTS NEAR 40 TO 50 MPH BY
   AFTERNOON. ALTHOUGH RELATIVE HUMIDITIES WILL BE MARGINAL...GENERALLY
   NEAR 20 TO 25 PERCENT...STRONG WINDS WILL HEIGHTEN THE FIRE THREAT.
   RELATIVE HUMIDITIES IN FAR WRN TX WILL LIKELY BE CLOSER TO 15 TO 20
   PERCENT.
   
   ..HURLBUT.. 12/12/2008
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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