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 121652
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1152 AM CDT WED MAY 12 2010
   
   VALID 121700Z - 131200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR E-CNTRL/SERN NM...PORTIONS OF WRN
   TX...
   
   ...E-CNTRL/SERN NM...PORTIONS OF WRN TX...
   PREVIOUS METEOROLOGICAL FORECAST REMAINS VALID...BUT HAVE ADJUSTED
   OVERALL OUTLOOK AREA FARTHER S. REMOVED A SMALL PORTION OF NERN
   NM...SWRN TX PANHANDLE GIVEN PRESENCE OF WEAKER SWLY FLOW INVOF
   QUASI-STATIONARY FRONT ARCING FROM NEAR RTN-AMA-GAG AS OF 16Z. ADDED
   PORTIONS OF SWRN TX IN THE MRF AREA...WHERE RH OF 10 PERCENT AND
   SUSTAINED WINDS AROUND 20 MPH HAD DEVELOPED AND WILL PERSIST THROUGH
   THE AFTERNOON.
   
   ..GRAMS.. 05/12/2010
   
   .PREV DISCUSSION... /ISSUED 0144 AM CDT WED MAY 12 2010/
   
   ...SYNOPSIS...
   AN UPPER TROUGH OBSERVED ON WV IMAGERY THIS MORNING AT 06Z NEAR THE
   UT/WY/CO BORDER WILL MOVE NEWD INTO THE NRN HIGH PLAINS. A SURFACE
   LOW WILL REDEVELOP OVER THE TX PANHANDLE BY AFTERNOON...WHILE A
   SECONDARY LOW MOVES NEWD INTO THE MID MS VALLEY.
   
   FARTHER E...UPPER RIDGING WILL AMPLIFY FROM THE GULF STATES NWD INTO
   THE GREAT LAKES REGION...WHILE AN UPPER LOW IN NEW BRUNSWICK EXITS
   THE COAST...RESULTING IN THE SWD DEVELOPMENT OF A SURFACE HIGH OVER
   THE ERN CANADIAN PROVINCES AND THE NORTHEASTERN STATES.
   
   ...ERN NM/WRN TX...
   CRITICALLY LOW RELATIVE HUMIDITIES ARE STILL BEING OBSERVED THIS
   MORNING AS OF 06Z AS MILD TEMPERATURES AND A DRY AIR MASS LINGER.
   SOME RECOVERY WILL OCCUR...THOUGH PORTIONS OF SERN NM/SWRN TX WILL
   BEGIN THE FORECAST PERIOD WITH RELATIVE HUMIDITIES IN THE 20S AND
   LOWER 30S. TEMPERATURES WILL WARM INTO THE UPPER 70S TO LOWER 90S
   ACROSS THE CRITICAL AREA...RESULTING IN SINGLE DIGIT AND LOWER TEENS
   RELATIVE HUMIDITIES THIS AFTERNOON. ALTHOUGH THE STRONGEST LOW LEVEL
   WINDS WILL HAVE MOVED NEWD OF THE AREA...WINDS WILL BEGIN TO
   INCREASE BY EARLY AFTERNOON WITH SUSTAINED SURFACE SPEEDS NEAR 20 TO
   25 MPH. THE TAIL END OF STRONGER MID LEVEL FLOW WILL REMAIN.
   HOWEVER...MIXING HEIGHTS WILL GENERALLY RANGE FROM 7-10
   KFT...LIMITING GUSTS TO PERHAPS 35 MPH. GIVEN ANTECEDENT DRYNESS AND
   SEVERAL DAYS OF CRITICAL CONDITIONS...A HEIGHTENED THREAT WILL
   EXIST. RELATIVE HUMIDITY RECOVERY WILL ONCE AGAIN BE POOR OVERNIGHT.
   
   ...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 121802
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0102 PM CDT WED MAY 12 2010
   
   VALID 131200Z - 141200Z
   
   ...NO CRITICAL AREAS...
   
   NO CHANGES NEEDED.
   
   ..GRAMS.. 05/12/2010
   
   .PREV DISCUSSION... /ISSUED 0254 AM CDT WED MAY 12 2010/
   
   ...SYNOPSIS...
   UPPER RIDGING IN THE EAST WILL GRADUALLY BEGIN TO DEAMPLIFY IN
   ADVANCE OF AN UPPER LOW THAT WILL MOVE EWD INTO WRN QUEBEC. SURFACE
   HIGH PRESSURE OVER THE NORTHEAST WILL BEGIN TO WEAKEN AS
   WELL...THOUGH A COOL AND DRY CANADIAN AIR MASS WILL ALLOW RELATIVE
   HUMIDITIES TO FALL INTO THE UPPER 20S TO MID 30S ACROSS PORTIONS OF
   VT/NH/ME. LIGHT WINDS AND GREEN UP CONDITIONS WILL MITIGATE THE
   THREAT.
   
   FARTHER W...AN UPPER TROUGH WILL LINGER FROM THE GREAT BASIN SWWD
   INTO SRN CA. THE STRONGEST LOW/MID LEVEL WINDS WILL HAVE SHIFTED
   AWAY FROM THE SOUTHWEST...AND DESPITE WIDESPREAD RELATIVE HUMIDITIES
   IN THE SINGLE DIGITS AND TEENS...LIGHT WINDS ACROSS THE AREA WILL
   TEMPER THE FIRE THREAT.
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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