Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 080854
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0354 AM CDT THU SEP 08 2005
   
   VALID 081200Z - 091200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR CNTRL/SRN NV AND ADJACENT INTERIOR
   CA...
   
   ...SYNOPSIS...
   UPPER FLOW PATTERN WILL BEGIN TO UNDERGO AMPLIFICATION DURING THE
   PERIOD. UPPER LOW ALONG THE NRN CA COAST WILL MEANDER EWD
   ONSHORE...WITH UPPER RIDGE SHARPENING ACROSS THE MIDDLE OF THE
   COUNTRY. HIGH PRESSURE AND DRY CONDITIONS WILL REMAIN DOMINANT FROM
   THE MID ATLANTIC STATES INTO THE SRN PLAINS.
   
   ...CRITICAL FIRE WEATHER AREA 1 - CNTRL/SRN NV AND ADJACENT INTERIOR
   CA...
   
   PRIMARY CONDITIONS: GUSTY S/SW WINDS AND LOW RH VALUES
   
   AS UPPER LOW PROGRESSES ONTO THE NRN CA COAST...GUSTY S/SW WINDS ARE
   EXPECTED ACROSS MUCH OF THE SRN GREAT BASIN TODAY. SUSTAINED S/SW
   WINDS OF 15-25 MPH ARE ANTICIPATED WITH LOCALLY HIGHER GUSTS.
   HOT/DRY CONDITIONS WILL PERSIST...WITH AFTERNOON MINIMUM RH VALUES
   AROUND 8-12 PERCENT FOR A FEW HOURS DURATION...IN ADDITION TO POOR
   NIGHTTIME RH RECOVERIES.
   
   ...ID/WRN MT/NRN NV/NRN UT...
   AHEAD OF AN APPROACHING COLD FRONT...A MODEST INCREASE IN WIND
   SPEEDS IS EXPECTED ACROSS THE REGION. AMIDST A WARM/DRY
   AIRMASS...PERSISTENCE OF MDT AND/OR HIGH HAINES INDICES ARE
   SUGGESTIVE OF ENHANCED FIRE GROWTH POTENTIAL. IN ADDITION...A FEW
   TSTMS WILL BE POSSIBLE ACROSS NRN NV/SRN ID/WRN MT TONIGHT.
   
   ...SRN ORE...
   ON PERIPHERY OF UPPER LOW PROGRESSING INTO NRN CA...SUFFICIENT
   LIFT/INSTABILITY WILL EXIST ACROSS SRN ORE SUCH THAT ISOLD DRY TSTMS
   WILL BE POSSIBLE LATE THIS AFTERNOON AND TONIGHT. THESE TSTMS MAY
   YIELD A FEW NEW FIRE STARTS.
   
   ..GUYER.. 09/08/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 080855
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0355 AM CDT THU SEP 08 2005
   
   VALID 091200Z - 101200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR SRN/ERN NV AND ADJACENT INTERIOR
   SRN CA/WRN UT...
   ...CRITICAL FIRE WEATHER AREA FOR SRN MT AND SRN ID/WRN WY...
   
   ...SYNOPSIS...
   PATTERN WILL FURTHER AMPLIFY WITH EXPANSIVE UPPER TROUGH CONTINUING
   TO EVOLVE OVER THE WRN STATES INTO SATURDAY...AS UPPER LOW INITIALLY
   OVER NRN CA EJECTS EWD ACROSS THE GREAT BASIN. IN RESPONSE...LOW
   PRESSURE WILL DEEPEN ACROSS THE NRN HIGH PLAINS...WITH TRAILING COLD
   FRONT PUSHING EWD THROUGH THE NRN INTERMOUNTAIN REGION. IN THE
   EAST...MEAN UPPER RIDGE WILL SHIFT EWD FROM THE CNTRL STATES INTO
   THE MISSISSIPPI/OHIO VALLEYS...WITH PRIMARILY DRY CONDITIONS
   EXPECTED.
   
   ...CRITICAL FIRE WEATHER AREA 1 - SRN/ERN NV AND ADJACENT INTERIOR
   SRN CA/WRN UT...
   
   PRIMARY CONDITIONS: STRONG S/SW WINDS AND LOW RH VALUES
   
   AS UPPER LOW TRANSITIONS EWD FROM NRN CA...INCREASING MID LEVEL JET
   WILL SUPPORT A FURTHER UPSWING OF WIND SPEEDS ACROSS THE ERN GREAT
   BASIN ON FRIDAY. SUSTAINED S/SW WINDS OF 20-30 MPH WILL BE
   COMMON...WITH HIGHER GUSTS. ASIDE FROM THE STRONG WINDS...AMBIENT
   AIRMASS WILL REMAIN WARM/DRY...WITH AFTERNOON MINIMUM RH VALUES
   GENERALLY AROUND 10-15 PERCENT. IN ADDITION...A FEW DRY TSTMS WILL
   BE POSSIBLE ACROSS ERN NV INTO WRN UT.
   
   ...CRITICAL FIRE WEATHER AREA 2 - SRN MT AND SRN ID/WRN WY...
   
   PRIMARY CONDITIONS: GUSTY WINDS AND WIND SHIFT ASSOCIATED WITH COLD
   FRONT
   
   WITH LEE CYCLOGENESIS ACROSS ERN MT...COLD FRONT WILL PROGRESS EWD
   ACROSS MT/SRN ID/WRN WY ON FRIDAY. A CORRESPONDING INCREASE IN WIND
   SPEEDS IS EXPECTED ACROSS THE REGION...WITH 15-25 MPH SUSTAINED
   SPEEDS COMMON...AND A MARKED WIND SHIFT ASSOCIATED WITH THE COLD
   FRONT. SCATTERED TSTMS DURING THE AFTERNOON/NIGHTTIME HOURS MAY
   YIELD NEW FIRE STARTS...ALTHOUGH WETTING RAINS ARE EXPECTED.
   
   ...CNTRL PLAINS...
   AS LOW PRESSURE DEEPENS ACROSS THE NRN HIGH PLAINS...SHARPENING
   PRESSURE GRADIENT IN THE LEE OF THE ROCKIES WILL YIELD GUSTY SLY
   WINDS FRIDAY AFTERNOON. SUSTAINED WINDS OF 20-30 MPH /WITH HIGHER
   GUSTS/ WILL BE LIKELY...ESPECIALLY IN A CORRIDOR FROM THE OK
   PANHANDLE/WRN KS INTO ERN SD. IN SPITE OF THE GUSTY WINDS...
   AFTERNOON MINIMUM RH VALUES SHOULD REMAIN SUFFICIENTLY ABOVE
   CRITICAL THRESHOLDS.
   
   ..GUYER.. 09/08/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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