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 150802
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0202 AM CST THU JAN 15 2009
   
   VALID 151200Z - 161200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SRN CA...
   ...CRITICAL FIRE WEATHER AREA FOR FLORIDA...
   
   ...SYNOPSIS...
   AN UPPER RIDGE WILL CONTINUE TO DOMINATE THE WEST COAST. OFFSHORE
   FLOW WILL PERSIST IN SRN CA. ABOVE NORMAL TEMPERATURES AND LOW RH
   WILL ALIGN WITH GUSTY NELY WINDS IN THIS REGIME.
   
   MEANWHILE FARTHER E...AN AMPLIFIED UPPER TROUGH WILL DOMINATE THE
   EAST. A DRY COLD FRONT WILL PUSH THROUGH THE SERN STATES THIS
   MORNING...AND GUSTY NWLY WINDS AND LOW RH WILL FOLLOW. NWLY WINDS
   NEAR 10 TO 15 MPH WILL ENHANCE THE FIRE THREAT ACROSS DROUGHT
   STRICKEN AREAS OF NRN AND CNTRL FL.
   
   ...CRITICAL FIRE WEATHER AREA - PORTIONS OF SRN CA...
   
   PRIMARY CONDITIONS: STRONG AND GUSTY WINDS...LOW RH
   
   LITTLE CHANGE IS EXPECTED ACROSS SRN CA TODAY AS OFFSHORE FLOW
   LINGERS ACROSS THE AREA. MESOWEST ANALYSIS SHOWS RH RECOVERY IS
   SOMEWHAT WORSE THAN YESTERDAY AT THIS TIME...WITH CURRENT RH VALUES
   MAINLY IN THE TEENS AND LOWER 20S. 03Z ANALYSIS COMPARED TO
   YESTERDAY SHOWS A SLIGHTLY STRONGER RIDGE ACROSS THE INTERMOUNTAIN
   WEST...WITH SURFACE HEIGHT RISES SUGGESTING AT LEAST SOME
   STRENGTHENING IS ONGOING. A MODERATE PRESSURE GRADIENT IS PERSISTING
   ACROSS SRN CA...AND CRITICAL CONDITIONS WILL ONCE AGAIN BE LIKELY.
   GUSTY WINDS WILL ALIGN WITH LOW RHS AND TEMPERATURES 10 TO 20
   DEGREES ABOVE CLIMATOLOGICAL NORMALS IN A DOWNSLOPE REGIME. EXTENDED
   PERIOD OF DRYNESS WILL CERTAINLY ENHANCE THE FIRE THREAT. THE
   PRESSURE GRADIENT IS FORECAST TO STRENGTHEN BY THIS AFTERNOON AND
   INTO THE EVENING...WITH STRONGER WINDS ACROSS SRN CA
   RESULTING...ESPECIALLY OVER HIGHER TERRAIN AND FAVORED CANYONS AND
   PASSES.
   
   ...CRITICAL FIRE WEATHER AREA - FLORIDA...
   
   PRIMARY CONDITIONS: LOW RH...GUSTY WINDS...MODERATE DROUGHT
   
   A SECOND DRIER COLD FRONT WILL PASS THROUGH NRN FL BY EARLY
   AFTERNOON. HIGH PRESSURE WILL CONTINUE TO BUILD SEWD INTO THE SERN
   STATES...AND NWLY WINDS NEAR 10 TO 15 MPH WILL DEVELOP BY AFTERNOON.
    ALTHOUGH TEMPERATURES WILL ONLY WARM INTO THE UPPER 50S AND LOWER
   60S...RHS WILL PLUMMET INTO THE MID 20S ACROSS NRN FL...AND LOWER
   30S ACROSS CNTRL FL. GIVEN HIGH KDBI VALUES DUE TO DROUGHT...A
   HEIGHTENED FIRE THREAT WILL EXIST.
   
   ..HURLBUT.. 01/15/2009
   
   ...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 150805
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0205 AM CST THU JAN 15 2009
   
   VALID 161200Z - 171200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SRN CA...
   
   ...SYNOPSIS...
   LITTLE CHANGE IN THE OVERALL PATTERN IS EXPECTED AS A LONG WAVE
   TROUGH DOMINATES THE EAST AND UPPER RIDGING DOMINATES THE WEST.
   OFFSHORE FLOW WILL CONTINUE TO AFFECT SRN CA...WITH STRONG AND GUSTY
   WINDS JUXTAPOSED WITH LOW RH AND ABOVE NORMAL TEMPERATURES.
   
   MEANWHILE FARTHER E...SURFACE HIGH PRESSURE WILL SHIFT SEWD BECOMING
   CENTERED ROUGHLY OVER THE APPALACHIANS. DRY CONDITIONS WILL PERSIST
   ACROSS MUCH OF THE SERN STATES. GUSTY NWLY WINDS WILL ALIGN WITH LOW
   RH...ALTHOUGH MOST LOCATIONS WILL REMAIN TOO COOL FOR FIRE CONCERNS.
    HOWEVER...TEMPERATURES IN THE UPPER 40S TO MID 50S ACROSS NRN AND
   CNTRL FL WILL CAUSE RHS TO PLUMMET INTO THE 20S BY AFTERNOON.
   
   ...CRITICAL FIRE WEATHER AREA - PORTIONS OF SRN CA...
   
   PRIMARY CONDITIONS: STRONG AND GUSTY WINDS...LOW RH
   
   YET ANOTHER DAY OF OFFSHORE FLOW CAN BE EXPECTED IN SRN CA...WITH
   SEVERAL DAYS OF DRYNESS CONTINUING TO DRY FUELS AND ENHANCING THE
   FIRE THREAT. WELL ABOVE NORMAL TEMPERATURES AND RHS IN THE SINGLE
   DIGITS AND TEENS WILL PREVAIL...WITH LITTLE OVERNIGHT RECOVERY. THE
   PRESSURE GRADIENT FRIDAY MORNING WILL BE SUPPORTIVE OF STRONG/GUSTY
   WINDS AND ALTHOUGH SOME WEAKENING WILL OCCUR DURING THE EARLY
   AFTERNOON...THIS WILL BE SHORT LIVED AS IT STRENGTHENS AGAIN BY
   EVENING. MODEL FORECASTS INDICATE THE FORMATION OF A WEAK UPPER LOW
   JUST OFFSHORE OF SRN CA...WITH STRONG NELY FLOW TO THE N AROUND THE
   PERIPHERY OF THE UPPER HIGH. DEPENDING ON THE LOCATION OF
   EACH...STRONGER NELY WINDS ALOFT MAY ALIGN WITH THE STRENGTHENING
   SURFACE PRESSURE GRADIENT...SOMEWHAT ENHANCING WINDS OVER HIGHER
   TERRAIN AND THROUGH FAVORED PASSES AND CANYONS.
   
   ...FLORIDA...
   SURFACE HIGH PRESSURE WILL CONTINUE TO MOVE SEWD...SETTLING ROUGHLY
   OVER THE APPALACHIANS. COOLER TEMPERATURES WILL BE PREVALENT ACROSS
   FL COMPARED TO D1...ALTHOUGH DRIER AIR WILL CAUSE RHS TO DROP INTO
   THE 20S AND POSSIBLY UPPER TEENS IN NRN FL...WHILE VALUES IN THE
   LOWER 30S CAN BE EXPECTED IN CNTRL FL. NLY/NWLY WINDS NEAR 10 TO 15
   MPH MAY BE POSSIBLE AS WELL...AND ANTECEDENT DRYNESS WILL ENHANCE
   THE OVERALL THREAT. HOWEVER...GIVEN RELATIVELY COOL TEMPERATURES...A
   CRITICAL WILL NOT BE OUTLINED AT THIS TIME.
   
   ..HURLBUT.. 01/15/2009
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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