Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

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   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 250749
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0249 AM CDT THU OCT 25 2007
   
   VALID 251200Z - 261200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   THE HIGH PRESSURE SYSTEM OVER THE FOUR CORNERS REGION WILL CONTINUE
   TO WEAKEN THROUGH THE FORECAST PERIOD UNDER INFLUENCE FROM THE
   RETROGRADING LOW OVER THE MISSISSIPPI VALLEY AND THE INCOMING
   POSITIVELY TILTED TROUGH OVER THE PACIFIC NORTHWEST. AS THIS SYSTEM
   WEAKENS...THE SANTA ANA WIND EVENT OVER SOUTHERN CALIFORNIA WILL
   CONTINUE TO DIMINISH AND WINDS WILL SHIFT TO AN ONSHORE REGIME.
   ELSEWHERE IN THE COUNTRY...RAIN AND THUNDERSTORMS CAN BE EXPECTED IN
   THE BROAD AREA OF UPWARD MOTION ON THE EASTERN SIDE OF THE LOW
   PRESSURE SYSTEM IN THE SOUTHEAST...AND AREAS OF STRONG AND GUSTY
   WINDS WILL EXIST BEHIND A COLD FRONTAL PASSAGE IN NORTHERN
   CALIFORNIA.
   
   ...SRN CA...
   THE SANTA ANA EVENT OVER THE REGION WILL CONTINUE TO DIMINISH
   THROUGHOUT THE DAY ON THURSDAY AS THE HIGH PRESSURE SYSTEM CENTERED
   OVER THE FOUR CORNERS REGION WEAKENS. WEAK OFFSHORE FLOW WILL STILL
   EXIST DURING THE EARLY PART OF THE FORECAST PERIOD BUT WILL
   GRADUALLY SHIFT TO AN ONSHORE FLOW PATTERN BY EVENING...WITH WEAK
   WIND SPEEDS OF AROUND 10 MPH.  HOWEVER...RELATIVE HUMIDITY VALUES
   WILL REMAIN VERY LOW.../BELOW 10 PERCENT IN SOME AREAS/...AND THE
   LONG TERM DROUGHT IN THE REGION CONTINUES. THE REGION WILL APPROACH
   A CRITICAL FIRE WEATHER THREAT DUE TO ONGOING FIRES AND LOCALLY
   VARIABLE WIND SPEEDS AND DIRECTIONS IN AREAS OF STEEP TERRAIN.
   
   ...NRN CA...
   A COLD FRONT WILL PASS THROUGH NORTHERN CALIFORNIA AND SOME AREAS OF
   STRONG AND GUSTY WINDS WILL EXIST IN THE AREA WITH WIND SPEEDS
   AROUND 15 TO 20 MPH WITH HIGHER GUSTS. HIGH RELATIVE HUMIDITY VALUES
   AND COOL TEMPERATURES WILL HELP TO REDUCE THE FIRE WEATHER THREAT.
   
   ..LEVIT.. 10/25/2007
   
   ...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 250751
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0251 AM CDT THU OCT 25 2007
   
   VALID 261200Z - 271200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   MODELS ARE IN GENERAL AGREEMENT THAT THE LOW PRESSURE SYSTEM IN THE
   MISSISSIPPI VALLEY WILL BEGIN TO MOVE NORTHEASTWARD AND BY THE END
   OF THE PERIOD WILL BE CENTERED IN EASTERN INDIANA. WIDESPREAD
   PRECIPITATION CAN BE EXPECTED TO THE NORTHEAST OF THIS STORM SYSTEM.
   IN THE NORTH...A UPPER-LEVEL TROUGH WILL MOVE INTO THE DAKOTAS...AND
   THE FLOW REGIME OVER THE WESTERN UNITED STATES WILL TRANSLATE FROM A
   ZONAL TO A NORTHWESTERLY DIRECTION. ELSEWHERE...A COLD FRONT WILL
   MOVE THROUGH THE WESTERN UNITED STATES AND THE CENTRAL
   PLAINS...BRINGING MUCH COOLER CANADIAN AIR BEHIND IT.
   
   ...WESTERN NEVADA...
   A COLD FRONT WILL PASS THROUGH THE AREA DURING FRIDAY MORNING...AND
   SOME STRONG AND GUSTY NORTHERLY WINDS WILL EXIST DURING THE
   AFTERNOON WITH WIND SPEEDS AROUND 20 MPH WITH HIGHER GUSTS. RELATIVE
   HUMIDITY VALUES WILL REMAIN FAIRLY HIGH AT 20 TO 30 PERCENT AND
   TEMPERATURES WILL REACH THE MID 50S TO MID 60S F...SO A CRITICAL
   FIRE WEATHER THREAT IS NOT EXPECTED.
   
   ..LEVIT.. 10/25/2007
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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