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 290920
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0320 AM CST THU NOV 29 2007
   
   VALID 291200Z - 301200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   A LONGWAVE TROUGH COVERS MOST OF THE CONUS WITH A SERIES OF
   PROGRESSIVE SHORTWAVES ADVANCING EWD THROUGH THE PACIFIC NORTHWEST
   AND OH VALLEY/NORTHEAST. A LARGE CUTOFF WEST OF BAJA WILL REMAIN
   NEARLY STATIONARY THROUGH THE PERIOD...ALTHOUGH SWLY FLOW EAST OF
   THE SYSTEM WILL BRING SUBSTANTIAL MOISTURE TOWARD AZ/NM BY EARLY
   FRIDAY. 
   
   AT THE SURFACE HIGH PRESSURE AND A COOL AIRMASS COVERS THE ERN THIRD
   OF THE NATION...BRINGING RELATIVELY DRY NORTHERLY WINDS TO THE GULF
   COAST REGION. FARTHER WEST...A LEE CYCLONE CREATES WINDY CONDITIONS
   ACROSS THE SRN PLAINS THIS AFTERNOON...WHILE THE SANTA ANA PATTERN
   OVER SRN CA ENDS.
   
   ...SRN CA...
   THE PRESSURE GRADIENT OVER SRN CA REVERSES TODAY...TURNING THE FLOW
   ONSHORE LATE THIS MORNING AND EARLY THIS AFTERNOON. DESPITE THE
   DEMISE OF THIS SANTA ANA EVENT...THE AIRMASS WILL REMAIN DRY WITH RH
   IN THE MIDDLE TEENS THIS MORNING FALLING TO AROUND 8 TO 12 PERCENT
   THIS AFTERNOON. BUT ELY WINDS GENERALLY BELOW 10 TO 15 MPH ARE
   EXPECTED TO BECOME LIGHT WESTERLY /BELOW 10 MPH/ THIS AFTERNOON.  
   
   ...TX/OK PANHANDLES...
   THE DEVELOPMENT OF A SURFACE LEE CYCLONE IN SERN CO RESULTS IN
   INCREASING SWLY WINDS OVER WRN TX AND THE TX/OK PANHANDLES THIS
   AFTERNOON.  BUT THE AIRMASS IS COOL WITH ONLY MODERATE TEMPERATURE
   RECOVERY EXPECTED TODAY /MAX TEMPERATURES IN THE LOW TO MIDDLE
   50S/...HELPING TO KEEP THE RH AT OR ABOVE 20 TO 25 PERCENT. THUS
   WIDESPREAD CRITICAL CONDITIONS ARE NOT EXPECTED DESPITE GUSTY SWLY
   WINDS INCREASING TO 20 TO 30 MPH.
   
   ...SERN U.S./GULF COAST...
   STRONG SURFACE HIGH PRESSURE OVER THE MID MISSISSIPPI RIVER VALLEY
   CREATES NLY FLOW AND RELATIVELY DRY CONDITIONS FROM LA TO WRN GA.
   MINIMUM RH MAY BRIEFLY FALL TO BETWEEN 35 AND 40 PERCENT THIS
   AFTERNOON...BUT WINDS ARE EXPECTED TO REMAIN LIGHT /LESS THAN 10
   MPH/ WITH LARGE SCALE CRITICAL CONDITIONS UNLIKELY.
   
   ..BRIGHT.. 11/29/2007
   
   ...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 290921
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0321 AM CST THU NOV 29 2007
   
   VALID 301200Z - 011200Z
   
   ...NO CRITICAL AREAS...
   
   ...SYNOPSIS...
   THE UPPER LEVEL PATTERN BECOMES MORE AMPLIFIED FRIDAY AS A TROUGH
   OVER THE PACIFIC NORTHWEST DIGS SWD ALONG THE WEST COAST...AND
   GENERALLY ZONAL FLOW ENCOMPASSES MOST OF THE CENTRAL AND EAST. THE
   CUTOFF LOW INITIALLY WEST OF BAJA EARLY FRIDAY WILL OPEN AND EJECT
   NEWD INTO AZ BY THE END OF THE PERIOD. THIS WILL BRING SUBSTANTIAL
   PRECIPITATION TO AZ/NM FRIDAY. AT THE SURFACE...LOW PRESSURE DEEPENS
   EAST OF THE SIERRA MOUNTAINS OVER SRN NV...CAUSING BREEZY TO WINDY
   CONDITIONS FROM THE MOJAVE DESERT INTO THE LOWER COLORADO RIVER
   VALLEY AND NWRN AZ. FARTHER EAST A COLD FRONT EXTENDS FROM NEW
   ENGLAND TO THE SRN APPALACHIANS FRIDAY AFTERNOON...WITH A LARGE AREA
   OF HIGH PRESSURE COVERING THE CENTRAL AND EAST.
   
   ...SERN CA/NWRN AZ...
   AS SURFACE LOW PRESSURE CONSOLIDATES OVER THE SRN GREAT BASIN...SWLY
   SURFACE WINDS WILL INCREASE TO 15 TO 30 MPH FROM THE MOJAVE DESERT
   THROUGH THE CO RIVER VALLEY AND INTO NWRN AZ. RH IN THIS AREA MAY BE
   AS LOW AS 20 PERCENT EARLY IN THE AFTERNOON...BUT SHOULD INCREASE
   THEREAFTER AS MOISTURE ASSOCIATED WITH THE BAJA CUTOFF ADVECTS NWD. 
   TEMPERATURES WILL BE FAIRLY COOL AS WELL...RANGING FROM THE LOWER
   50S IN THE SRN GREAT BASIN TO THE LOWER 60S ELSEWHERE.
   
   ...SERN U.S./GULF COAST...
   NLY FLOW ENCOMPASSES THE SOUTHEAST AGAIN FRIDAY...WITH MINIMUM RH
   FALLING AS LOW AS 25 TO 30 PERCENT OVER NRN MS TO NRN GA. BUT WITH A
   MODERATELY COOL AIRMASS /MAX TEMPERATURES FROM THE MID 50S NRN MS TO
   NRN GA TO MID 60S ALONG THE GULF COAST/ AND VERY LIGHT WINDS /BELOW
   5 TO 10 MPH/ WIDESPREAD CRITICAL FIRE WEATHER CONDITIONS ARE NOT
   EXPECTED.
   
   ..BRIGHT.. 11/29/2007
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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