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 070753
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0153 AM CST WED JAN 07 2009
   
   VALID 071200Z - 081200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   FULL-LATITUDE UPPER-LEVEL TROUGH ACROSS THE CNTRL CONUS WILL
   TRANSLATE EWD INTO THE EAST THROUGH EARLY THU. UPPER RIDGE NEAR THE
   WEST COAST WILL SHIFT INLAND AS A SHORT WAVE TROUGH APPROACHES THE
   PACIFIC NW.
   
   ...SWRN TO CNTRL TX...
   AREAS OF SHORT-DURATION/BORDERLINE CRITICAL CONDITIONS APPEAR
   PROBABLE THIS AFTERNOON AS SUSTAINED WLY WINDS APPROACH 20 MPH AND
   RH VALUES DROP TO BETWEEN 15 TO 20 PERCENT. AS A MID-LEVEL TROUGH
   SHIFTS FARTHER E OF THE REGION...A SUBSIDENCE INVERSION WILL
   STRENGTHEN WHILE STRONGER NWLYS SLOWLY ABATE. THIS SHOULD DETER
   DEEPER MIXING...AND ALONG WITH A WEAKENING KINEMATIC PROFILE...LIMIT
   POTENTIAL FOR STRONG SURFACE WINDS. THE ERN EXTENT OF THE THREAT
   OVER THE HILL COUNTRY SHOULD ALSO BE TEMPERED BY RECENT RAINFALL.
   
   ..GRAMS.. 01/07/2009
   
   ...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 070842
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0242 AM CST WED JAN 07 2009
   
   VALID 081200Z - 091200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   LARGE-SCALE UPPER-LEVEL TROUGH OVER THE ERN CONUS WILL SHIFT
   OFFSHORE. UPSTREAM SHORT WAVE TROUGH NEAR THE PACIFIC NW COAST
   SHOULD EXTEND FROM THE NRN PLAINS TO GREAT BASIN BY EARLY FRI.
   
   ...INTERIOR AND ERN PORTIONS OF NRN/CNTRL FL...
   SUBSTANTIAL DRYING /PW VALUES AROUND A QUARTER-INCH/ WILL ENVELOP
   MUCH OF THE PENINSULA DURING THE LATTER HALF OF THE DAY 1 PERIOD IN
   THE WAKE OF A COLD FRONT PASSAGE. THIS SHOULD BE SHORT-LIVED WITH
   AIR MASS MODIFICATION EXPECTED TO BE UNDERWAY BY THE BEGINNING OF
   DAY 2 GIVEN WLY TRAJECTORIES ACROSS THE NRN GULF OF MEXICO. MODEL
   FORECASTS VARY MARKEDLY WITH THE DEGREE OF BOUNDARY LAYER MOISTENING
   BY THU AFTERNOON. CONSENSUS SUGGESTS RH VALUES SHOULD DIP BELOW
   CRITICAL THRESHOLDS /FROM 30 TO 35 PERCENT/ NEAR NOON JUXTAPOSED
   WITH SUSTAINED WINDS AROUND 15 MPH. HOWEVER...GIVEN HIGH UNCERTAINTY
   AND LIKELY RAINFALL EARLY DAY 1 POTENTIALLY MITIGATING THE OVERALL
   THREAT...WILL REFRAIN FROM A CRITICAL AREA ISSUANCE ATTM.
   
   ..GRAMS.. 01/07/2009
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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