Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 090914
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0414 AM CDT FRI SEP 09 2005
   
   VALID 091200Z - 101200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR SRN MT AND ERN ID/WRN WY...
   ...CRITICAL FIRE WEATHER AREA FOR FAR ERN NV/FAR WRN UT INTO FAR NW
   AZ...
   
   ...SYNOPSIS...
   OVERALL PATTERN WILL FURTHER AMPLIFY TODAY AS BROAD UPPER TROUGH
   EVOLVES OVER THE WRN STATES INTO SATURDAY...WITH UPPER LOW INITIALLY
   OVER NRN CA EJECTING EWD/WEAKENING ACROSS THE GREAT BASIN. IN
   RESPONSE TO THIS EVOLUTION...LOW PRESSURE WILL DEEPEN ACROSS THE NRN
   HIGH PLAINS...WITH TRAILING COLD FRONT PROGRESSING EWD ACROSS THE
   NRN INTERMOUNTAIN REGION. IN THE EAST...MEAN UPPER RIDGE WILL SHIFT
   EWD FROM THE CNTRL STATES INTO THE MISSISSIPPI AND OHIO
   VALLEYS...WITH PRIMARILY DRY CONDITIONS EXPECTED.
   
   ...CRITICAL FIRE WEATHER AREA 1 - SRN MT AND ERN ID/WRN WY...
   
   PRIMARY CONDITIONS: STRONG WINDS AND WIND SHIFT ASSOCIATED WITH COLD
   FRONT
   
   WITH LEE CYCLOGENESIS OCCURRING ERN MT...COLD FRONT WILL PROGRESS
   EWD ACROSS ID/SRN MT/FAR WRN WY INTO TONIGHT. A CORRESPONDING
   INCREASE IN WIND SPEEDS IS EXPECTED ACROSS THE REGION...WITH 15-30
   MPH SUSTAINED SPEEDS COMMON...AND A MARKED WIND SHIFT FROM S/SW TO
   WEST ASSOCIATED WITH THE FRONTAL PASSAGE. SCATTERED TSTMS DURING THE
   AFTERNOON/NIGHTTIME HOURS MAY YIELD NEW FIRE STARTS...ALTHOUGH
   WETTING RAINS ARE EXPECTED.
   
   ...CRITICAL FIRE WEATHER AREA 2 - FAR ERN NV/FAR WRN UT INTO FAR NW
   AZ...
   
   PRIMARY CONDITIONS: GUSTY S/SW WINDS
   
   AS UPPER LOW PROGRESSES EWD FROM NRN CA INTO THE GREAT
   BASIN...DOWNSTREAM TRANSITION OF MID LEVEL JET WILL SUPPORT STRONG
   AND GUSTY WINDS ACROSS THE ERN GREAT BASIN TODAY. SUSTAINED S/SW
   WINDS OF 25-30 MPH WILL BE COMMON...WITH CONSIDERABLY HIGHER GUSTS.
   ALTHOUGH AFTERNOON MINIMUM RH VALUES WILL TEND TO BE MARGINAL
   /GENERALLY AROUND 15 PERCENT/...MAGNITUDE OF WIND SPEEDS SUGGESTS A
   CRITICAL ISSUANCE IS WARRANTED. IN ADDITION...A FEW DRY TSTMS WILL
   BE POSSIBLE ACROSS ERN NV/WRN UT AND FAR NW AZ.
   
   ...ERN MT/ERN WY AND WRN DAKOTAS...
   IN CLOSER PROXIMITY TO SURFACE LOW/LEE TROUGH...SUSTAINED WIND
   SPEEDS WILL BE COMPARATIVELY LIGHTER ACROSS THIS PORTION OF THE NRN
   HIGH PLAINS. LOCALLY BREEZY CONDITIONS WILL NEVERTHELESS
   EXIST...WITH TEMPERATURES WELL INTO THE 90S AND MINIMUM RH VALUES
   AROUND/JUST BELOW CRITICAL THRESHOLDS. DEEPLY MIXED BOUNDARY LAYER
   WILL PROMOTE ISOLD DRY/HIGH BASED TSTMS THIS AFTERNOON/EVENING
   CAPABLE OF STRONG DOWNDRAFTS.
   
   ...CNTRL PLAINS...
   WITH LOW PRESSURE DEEPENING ACROSS THE NRN HIGH PLAINS...SHARPENING
   LEE TROUGH/PRESSURE GRADIENT WILL YIELD GUSTY SLY WINDS ACROSS THE
   CNTRL PLAINS THIS AFTERNOON. SUSTAINED SLY WINDS OF 20-30 MPH /WITH
   GUSTS TO 40 MPH/ WILL BE LIKELY BY MIDDAY IN A CORRIDOR FROM THE OK
   PANHANDLE AND WRN KS INTO ERN SD. ALTHOUGH AFTERNOON TEMPERATURES
   WILL REACH THE LOWER/MIDDLE 90S...AFTERNOON MINIMUM RH VALUES ARE
   EXPECTED TO REMAIN ABOVE CRITICAL THRESHOLDS.
   
   ..GUYER.. 09/09/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      
Day 2 Fire Weather Forecast graphic

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 090957
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0457 AM CDT FRI SEP 09 2005
   
   VALID 101200Z - 111200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   UPPER FLOW PATTERN WILL FURTHER AMPLIFY ON SATURDAY...WITH EXPANSIVE
   UPPER TROUGH OVER THE WRN STATES...AND RIDGING OVER THE ERN HALF OF
   THE CONUS. COLD FRONT WILL PROGRESS E/SE ACROSS THE NRN PLAINS/CNTRL
   ROCKIES AND GREAT BASIN. DRY CONDITIONS WILL BE PREVALENT FOR MUCH
   OF THE CNTRL/ERN STATES OWING TO UPPER RIDGE/SURFACE HIGH PRESSURE.
   
   ...WY/NW CO/ERN AND SRN UT/NRN AZ...
   AHEAD OF COLD FRONT MOVING E/SE ACROSS WY/NRN UT...STRONG SWLY WINDS
   WILL EXIST ON SATURDAY ACROSS MUCH OF WY/NW CO...ERN/SRN UT...INTO
   NRN AZ. SUSTAINED WIND SPEEDS WILL REACH 20-30 MPH...ESPECIALLY
   ACROSS WY. IN SPITE OF THE STRONG/GUSTY WINDS...MARGINAL NATURE OF
   AFTERNOON RH VALUES WILL PRECLUDE A CRITICAL ISSUANCE AT THIS TIME.
   
   ..GUYER.. 09/09/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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