Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

Click for Day 1 FireWX Areal Outline Product

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 130911
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0311 AM CST THU NOV 13 2008
   
   VALID 131200Z - 141200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SRN CA...
   
   ...SYNOPSIS...
   AN EXPANSIVE UPPER TROUGH WILL REMAIN RELATIVELY FIXED OVER THE
   CENTRAL CONUS.  AN UPPER RIDGE WILL BUILD FURTHER IN AREAS JUST
   ALONG AND OFFSHORE THE W COAST STATES.  SURFACE HIGH PRESSURE WILL
   CONTINUE TO MOVE INTO THE GREAT BASIN CONCURRENTLY AS A SURFACE
   PRESSURE TROUGH AND LOW LEVEL THERMAL RIDGE DEVELOP ALONG THE CA
   COAST.  THIS WILL LEAD TO A STRENGTHENING PRESSURE GRADIENT WITH DRY
   OFFSHORE WINDS.  CRITICAL FIRE WEATHER CONDITIONS WILL PROBABLY
   BEGIN IN THE LATE OVERNIGHT HOURS THURSDAY NIGHT/EARLY FRIDAY
   MORNING.  FURTHER E...SOME GUSTY SWLY WINDS MAY DEVELOP OVER PARTS
   OF THE SRN HIGH PLAINS AHEAD OF A WEAK LEE-SIDE SURFACE TROUGH
   EXTENDING SWD TOWARDS THE AREA.  RH MAY FALL INTO THE TEENS DURING
   PEAK HEATING BUT MARGINAL SUSTAINED WINDS WILL TEMPER THE POTENTIAL
   FOR CRITICAL FIRE WEATHER CONDITIONS.
   
   ...CRITICAL FIRE WEATHER AREA - PARTS OF SRN CA...
   
   PRIMARY CONDITIONS: STRONG WINDS / LOW RH
   
   STRENGTHENING OFFSHORE FLOW DURING THE EVENING/OVERNIGHT HOURS ALONG
   WITH LOW RH WILL LEAD TO CRITICAL CONDITIONS BEGINNING OVER PARTS OF
   SRN CA LATE IN THE PERIOD /09-12Z FRIDAY/ ACCORDING TO THE LATEST
   ENSEMBLE OUTPUT.  IT IS EXPECTED THAT STRONG SUSTAINED NELY WINDS
   /20-30 MPH/ AND LOW RH /TEENS/ WILL PROBABLY OCCUR WITH WIND PRONE
   AREAS SUCH AS THROUGH PASSES AND CANYONS LIKELY EXPERIENCING HIGHER
   GUSTS /APPROACHING 50 MPH/.
   
   ..SMITH.. 11/13/2008
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      
Day 2 Fire Weather Forecast graphic

Click for Day 2 FireWX Areal Outline Product

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 130914
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0314 AM CST THU NOV 13 2008
   
   VALID 141200Z - 151200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR PARTS OF SRN CA...
   
   ...SYNOPSIS...
   A LARGE UPPER TROUGH WILL BEGIN TO SHIFT SLOWLY EWD OVER PARTS OF
   THE MIDWEST AS AN ELONGATED UPPER DISTURBANCE DIVES SEWD OVER THE
   ROCKIES/HIGH PLAINS AND MOVES TOWARDS THE OHIO VALLEY REGION.  AN
   UPPER RIDGE WILL MOVE EWD AND BE CENTERED NEAR THE CA COAST BY THE
   END OF THE PERIOD.  A MODERATE SURFACE PRESSURE GRADIENT WILL
   STRENGTHEN FURTHER DURING THE OVERNIGHT HOURS AS HIGH PRESSURE
   CONTINUES TO BUILD ACROSS MUCH OF THE WEST BEHIND THE CENTRAL U.S.
   UPPER TROUGH.  AS A RESULT...A DRY OFFSHORE WIND EVENT IS LIKELY
   DURING THE PERIOD OVER PARTS OF SRN CA.
   
   ...CRITICAL FIRE WEATHER AREA - PARTS OF SRN CA...
   
   PRIMARY CONDITIONS: STRONG WINDS / LOW RH
   
   A SIGNIFICANT OFFSHORE EPISODE IS EXPECTED DURING THE DAY 2 PERIOD. 
   THE PEAK OF THE EVENT WILL LIKELY OCCUR DURING THE FRIDAY
   NIGHT/SATURDAY MORNING PERIOD AS 850-650MB WINDS WILL BECOME MORE
   OPTIMALLY ALIGNED IN THE LOW TO MID-LEVEL PROFILE.  SUSTAINED WINDS
   20-40 MPH WILL PROBABLY OCCUR WITH LOCALIZED GUSTS IN WIND PRONE
   AREAS APPROACHING 60 MPH.  ANOMALOUSLY WARM HIGH TEMPERATURES
   POSSIBLY REACHING THE LOWER 90S F DEG ALONG WITH CONTINUED DOWNSLOPE
   WARMING/DRYING WILL SUPPORT LOW RH /TEENS INTO UPPER SINGLE DIGITS/
   WITH MINIMAL RH RECOVERY.
   
   ..SMITH.. 11/13/2008
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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