Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 250852
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0352 AM CDT THU SEP 25 2003
   
   VALID 251200Z - 261200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR SOUTHEAST MONTANA...
   ...CRITICAL FIRE WEATHER AREA FOR SOUTHEAST WYOMING...
   
   ...SYNOPSIS...
   AN UPPER LEVEL TROUGH COVERS MUCH OF THE CENTRAL AND EASTERN UNITED
   STATES...WITH STRONG NORTHWEST FLOW OVER THE NORTHERN ROCKIES.
   ANOTHER UPPER LEVEL SHORTWAVE MOVES OVER THE NORTHEAST TODAY...
   PUSHING A COLD FRONT THROUGH NEW ENGLAND AND INTO THE MID ATLANTIC 
   REGION.  ELSEWHERE...AN UPPER RIDGE IS LOCATED ALONG THE WEST COAST
   KEEPING DRY AND WARM CONDITIONS ALONG THE WEST COAST AND
   INTERMOUNTAIN WEST.  SCATTERED THUNDERSTORMS ARE EXPECTED OVER PARTS
   OF THE SOUTHWEST AND ALONG THE GULF COAST.
   
   ...CRITICAL FIRE WEATHER AREA 1 - SERN MT...
   
   PRIMARY CONDITIONS: WINDY WITH LOW RELATIVE HUMIDITY
   
   WINDS AT THE SURFACE AND ALOFT INCREASE TODAY AS A STRONG UPPER JET
   MOVES FROM BRITISH COLUMBIA TO NERN MT.  AT THE SURFACE...A LEE
   TROUGH OVER CENTRAL MT EARLY THIS MORNING REACHES THE WRN DAKOTAS BY
   EARLY THIS AFTERNOON.  STRONG WLY SURFACE WINDS DEVELOP BEHIND THE
   TROUGH...REACHING SUSTAINED VALUES AT OR ABOVE 20 MPH THIS
   AFTERNOON...WITH GUSTS EXCEEDING 30 MPH.  SURFACE DEWPOINTS IN THE
   WAKE OF THE TROUGH RISE INTO THE LOWER 30S...BUT WARM AFTERNOON
   TEMPERATURES RESULT IN MINIMUM RELATIVE HUMIDITY VALUES BETWEEN 15
   AND 20 PERCENT.  BECAUSE THE PREDICTED FIRE DANGER CLASS IS VERY
   HIGH OVER SERN MT...A CRITICAL FIRE WEATHER AREA IS WARRANTED. 
   WINDS DECREASE AND RELATIVE HUMIDITY RECOVERS RAPIDLY AFTER SUNSET.
   
   ...CRITICAL FIRE WEATHER AREA 2 - SERN WY...
   
   PRIMARY CONDITIONS: WINDY WITH LOW RELATIVE HUMIDITY
   
   THE FIRE WEATHER SITUATION OVER SERN WY IS SIMILAR TO SERN MT.
   SURFACE WINDS WILL INCREASE TO AROUND 20 MPH THIS AFTERNOON
   FOLLOWING THE PASSAGE OF THE LEE TROUGH.  MINIMUM RH VALUES IN SERN
   WY ARE EXPECTED TO FALL INTO THE MID TEENS...WITH A VERY HIGH
   PREDICTED FIRE DANGER CLASS.
   
   ..BRIGHT.. 09/25/2003
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      
Day 2 Fire Weather Forecast graphic

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 250938
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0438 AM CDT THU SEP 25 2003
   
   VALID 261200Z - 271200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   STRONG UPPER HIGH PRESSURE BUILDS OVER THE WRN UNITED STATES...WITH 
   A DEEP UPPER TROUGH OVER THE ERN TWO-THIRDS OF THE NATION.  A
   VIGOROUS SHORTWAVE MOVES FROM SASKATCHEWAN TO NRN IL...PUSHING A
   COLD FRONT INTO THE OHIO VALLEY AND SRN PLAINS BY SATURDAY MORNING. 
   THE WEST WILL REMAIN DRY AND WARM...WITH CLOUDS AND PRECIPITATION
   OVER MUCH OF THE MIDWEST AND EAST.
   
   ...ERN MT...ERN WY...WRN DAKOTAS...
   VERY STRONG NWLY FLOW CONTINUES OVER THE NRN PLAINS...WITH NWLY
   POSTFRONTAL SURFACE WINDS AROUND 20 TO 30 MPH DEVELOPING FRIDAY
   AFTERNOON.  THE AIRMASS IS EXPECTED TO BE MARGINALLY DRY WITH
   SURFACE DEW POINTS AROUND 35 TO 40 DEGREES AND MINIMUM RELATIVE
   HUMIDITIES BETWEEN 25 AND 35 PERCENT.  THE PREDICTED FIRE DANGER
   CLASS IS MOSTLY IN THE HIGH CATEGORY OVER THIS AREA.  CONDITIONS
   THEREFORE APPROACH CRITICAL FIRE WEATHER THRESHOLDS FRIDAY
   AFTERNOON...WITH MOISTURE AND ANTECEDENT CONDITIONS THE LIMITING
   FACTORS.
   
   ..BRIGHT.. 09/25/2003
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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