Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 170843
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0343 AM CDT SAT SEP 17 2005
   
   VALID 171200Z - 181200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   UPPER TROUGH EVIDENT IN WV IMAGERY ACROSS THE NWRN STATES WILL MOVE
   EWD THIS PERIOD REACHING THE ID/MT AREA BY EARLY SUNDAY. MODERATE
   MID-LEVEL FLOW WILL BE MAINTAINED SOUTH OF THIS SYSTEM ACROSS THE
   CENTRAL/SRN INTERMOUNTAIN WEST...WITH 500MB WINDS OF 40-50KT ACROSS
   THE ERN GREAT BASIN AND FOUR CORNERS AREA DURING THE PEAK HEATING
   HOURS THIS AFTERNOON/EARLY THIS EVENING. AT THE SURFACE...WEAK
   CYCLONE ALONG QUASI-STATIONARY FRONTAL ZONE IN CENTRAL SD WILL DRIFT
   SEWD WITH FRONTAL ZONE...WHICH SHOULD EXTEND FROM NWRN MN SWWD INTO
   N-CENTRAL NEB BY 18/00Z. SURFACE FRONT IS EXPECTED TO EXTEND WWD
   ACROSS FAR SRN WY AND CENTRAL UT/CENTRAL NV EARLY THIS EVENING ALONG
   SRN PERIPHERY OF UPPER TROUGH. MARGINAL FIRE WEATHER CONCERNS WILL
   BE FOCUSED SOUTH OF THE FRONTAL ZONE...TO INCLUDE THE SRN GREAT
   BASIN INTO THE FOUR CORNERS REGION WHERE PREEXISTING WARM/DRY
   BOUNDARY LAYER WILL REMAIN IN PLACE THROUGH MUCH OF THE DAY 1
   PERIOD.
   
   ...FOUR CORNERS REGION/SRN GREAT BASIN...
   
   SWLY WINDS WILL INCREASE TO 15-20 MPH WITH DAYTIME HEATING AND
   DOWNWARD MIXING BENEATH BELT OF MODERATE MID-LEVEL FLOW IN PLACE
   ACROSS THE DISCUSSION AREA. MINIMUM RH VALUES WILL GENERALLY BE 15
   PERCENT OR LESS FROM SRN NV/NRN AZ ENEWD ACROSS CENTRAL/SRN UT INTO
   WRN/CENTRAL CO. VALLEY/BASIN TEMPERATURES ACROSS THE REGION WILL
   GENERALLY RANGE FROM THE UPPER 70S TO LOWER 80S...WITH MODERATE
   SURFACE BASED MIXED LAYERS OF 5-6 KFT LATE THIS AFTERNOON INTO EARLY
   THIS EVENING. THE DRY CONDITIONS WITH MODERATE SWLY WINDS MAY YIELD
   LOCAL FIRE WEATHER CONCERNS DURING SATURDAY AFTERNOON/EVENING.
   HOWEVER...OVERALL WIND SPEEDS SHOULD REMAIN BELOW CRITICAL LEVELS
   ACROSS MAJORITY OF DISCUSSION AREA.
   
   ..BANACOS.. 09/17/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      
Day 2 Fire Weather Forecast graphic

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 170842
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0342 AM CDT SAT SEP 17 2005
   
   VALID 181200Z - 191200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   DURING THE DAY 2 PERIOD...A GRADUAL WARMING TREND WILL COMMENCE
   ACROSS THE PACIFIC NW INTO THE NRN ROCKIES AS UPPER LOW OVER WRN
   MT/ERN ID AT 18/12Z BECOMES AS OPEN WAVE AND SHEARS RAPIDLY NEWD
   INTO THE DAKOTAS BY LATE SUNDAY EVENING. SEVERAL MEMBERS OF THE NCEP
   SHORT-RANGE ENSEMBLE DEVELOP A RESIDUAL CLOSED...SLOW-MOVING
   MID-LEVEL LOW NEAR THE CENTRAL CA COAST SUNDAY AFTERNOON. THIS
   SCENARIO IS ALSO REFLECTED IN 17/00Z OPERATIONAL NAM AND GFS RUNS.
   MEANWHILE...A 500MB RIDGE ELONGATED E-W ACROSS TX AND THE GULF COAST
   REGION WILL REMAIN IN PLACE THROUGH SUNDAY. EVOLUTION OF LARGE-SCALE
   PATTERN SHOULD MAINTAIN BAND OF MODERATE SWLY MID-LEVEL FLOW /500MB
   WINDS OF 30-35KT/ ACROSS THE FOUR CORNERS REGION...WHICH SHOULD
   FAVOR LOCALLY DRY AND BREEZY DAYTIME CONDITIONS. TEMPERATURES WILL
   GENERALLY BE NEAR SEASONAL AVERAGES. CURRENT GUIDANCE SUGGESTS
   LARGE-SCALE WINDS OVER 20 MPH WILL BE LOCALIZED OR LIMITED TO HIGHER
   TERRAIN AREAS...PRECLUDING A CRITICAL FIRE WEATHER AREA AT THIS
   TIME.
   
   ELSEWHERE ACROSS THE COUNTRY...LARGE-SCALE CRITICAL FIRE WEATHER
   CONDITIONS ARE NOT ANTICIPATED.
   
   ..BANACOS.. 09/17/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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