Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 090842
   STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
   343 AM CDT FRI AUG 09 2002
     
   DAY 1 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWE98 KWNS
   VALID 091200-101200
     
   ...CRITICAL FIRE WEATHER AREA FOR SWRN ORE AND FAR NRN CA...
     
   ...SYNOPSIS... 
   A STRONG 500MB RIDGE WILL REMAIN IN PLACE FROM THE CA COAST SEWD
   INTO THE SRN PLAINS. A STRONG SHORTWAVE TROUGH OVER ERN MT EARLY
   THIS MORNING WILL MOVE INTO THE WRN DAKOTAS BY THIS EVENING. A DRY
   CONTINENTAL AIR MASS AND SURFACE HIGH PRESSURE OVER THE MID-
   ATLANTIC STATES WILL BRING FAIR CONDITIONS TO MOST OF THE ERN
   CONUS.   
   
   ...CRITICAL FIRE WEATHER AREA 1 - SWRN ORE AND FAR NRN CA...
     
   PRIMARY CONDITIONS: LOCALLY STRONG NLY WINDS / VERY LOW RH VALUES
   / DRY FUELS
   
   HIGH TEMPERATURES IN THE 105-110F RANGE ACROSS THE NRN SACRAMENTO
   VALLEY WILL INDUCE A STRONG THERMAL TROUGH AND N-S PRESSURE
   GRADIENT ACROSS SRN ORE AND NRN CA. NLY TO NELY WINDS OF 15-25 MPH
   ARE EXPECTED IN SOME AREAS ACROSS SWRN ORE AND FAR NRN
   CA...PARTICULARLY WHEN THE GRADIENT IS STRONGEST DURING THE LATE
   AFTERNOON AND EVENING PERIOD. SUNNY SKIES AND MID-LEVEL SUBSIDENCE
   WILL BRING VERY LOW MINIMUM RH VALUES...RANGING FROM 10-15 PERCENT.
   THESE VALUES WILL BE GENERALLY 5-10 PERCENT LOWER THAN THOSE
   OBSERVED THURSDAY AFTERNOON. TEMPERATURES WILL BE SLIGHTLY WARMER
   THAN YESTERDAY WITH HIGHS IN THE VALLEYS/BASINS IN THE LOW TO
   MIDDLE 90S. 
   
   ...CENTRAL AND SRN WY...
   
   UPPER LOW PASSING NORTH AND NORTHEAST OF THE REGION TODAY IS
   ASSOCIATED WITH MODERATE NWLY MID-LEVEL FLOW. VERTICAL MIXING WILL
   ALLOW RH VALUES TO DROP BETWEEN 15-20 PERCENT FOR A FEW HOURS THIS
   AFTERNOON WITH WLY TO NWLY SURFACE WINDS OF 15-25 MPH. CPC/NOAA
   DROUGHT MONITOR INDICATES EXTREME TO EXCEPTIONAL DROUGHT CONDITIONS
   OVER WY WITH NO RAINFALL ACROSS CENTRAL AND SWRN WY DURING THE PAST
   7 DAYS. 
   
   ...INTERIOR GA/SC/NC/AND THE FL PANHANDLE...
   
   DRY CONTINENTAL AIR MASS AND CLEAR SKIES WILL CONTRIBUTE TO HIGH
   TEMPERATURES RANGING FROM THE UPPER 80S TO MID 90S AND RH VALUES
   AROUND 30 PERCENT IN A FEW LOCATIONS THIS AFTERNOON. LIGHT ELY TO
   NELY WINDS /10 MPH OR LESS/ AROUND HIGH PRESSURE WILL MITIGATE FIRE
   WEATHER CONCERNS. 
   
   ..BANACOS.. 08/09/02
     
   SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
     
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Day 2 Fire Weather Forecast graphic

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 090841
   STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
   341 AM CDT FRI AUG 09 2002
     
   DAY 2 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWI98 KWNS
   VALID 101200-111200
     
   ...NO LARGE-SCALE SIGNIFICANT FIRE WEATHER CONDITIONS EXPECTED...
     
   ...SYNOPSIS... 
   DURING THE DAY 2 PERIOD...AN UPPER RIDGE WILL REMAIN IN PLACE
   ACROSS THE SRN TIER OF THE CONUS. MODERATELY STRONG WLY FLOW WILL
   CONTINUE FROM THE PACIFIC NW EWD INTO THE WRN GREAT LAKES REGION.
   WITHIN THE WESTERLIES...A STRONG SHORTWAVE TROUGH OVER WRN MN AT
   10/12Z WILL TRACK NEWD INTO CENTRAL ONTARIO BY THE END OF THE
   PERIOD. A SECOND UPPER TROUGH WILL MOVE SEWD OUT OF BRITISH
   COLUMBIA AND SRN ALBERTA LATE IN THE PERIOD...AND MAY BE ASSOCIATED
   WITH A MARINE PUSH SATURDAY EVENING EAST OF THE CASCADE RANGE IN WA
   AND PERHAPS NRN ORE.   
   
   ...ERN SLOPES OF CASCADES EWD ACROSS COLUMBIA BASIN IN WA/NRN
   ORE...
   
   WLY DOWNSLOPE WINDS OF 15-25 MPH ARE POSSIBLE EAST OF THE CASCADE
   MTNS DURING THE LATE AFTERNOON THROUGH OVERNIGHT PERIOD. MINIMUM RH
   VALUES IN THE VALLEYS WILL RANGE FROM 15-25 PERCENT...WITH
   DOWNSLOPE DRYING RESULTING IN CONTINUED LOW RH THROUGH MOST OF THE
   OVERNIGHT PERIOD. MARGINALLY DRY FUEL CONDITIONS AND MARGINAL WIND
   SPEEDS EXPECTED BASED ON CURRENT NUMERICAL GUIDANCE WILL PRECLUDE
   A CRITICAL FIRE WEATHER AREA AT THIS TIME. REGION WILL BE MONITORED
   FOR A POSSIBLE UPGRADE IN TOMORROW/S DAY 1 OUTLOOK.  
   
   ..BANACOS.. 08/09/02
      
   SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
     
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