Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 180826
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0226 AM CST FRI NOV 18 2005
   
   VALID 181200Z - 191200Z
   
   ...EXTREMELY CRITICAL FIRE WEATHER AREA FOR SRN CA...
   
   ...SYNOPSIS...
   AMPLIFIED UPPER PATTERN WILL REMAIN OVER THE CONUS
   TODAY...HIGHLIGHTED BY A LONGWAVE TROUGH OVER THE CNTRL/ERN STATES
   AND UPPER RIDGING ACROSS THE WEST. EXPANSIVE HIGH PRESSURE WILL
   EXTEND FROM THE ROCKIES TO THE SE STATES...WITH DRY CONDITIONS
   PREVALENT OVER MUCH OF THE CONUS. CONTINUANCE OF OFFSHORE PRESSURE
   GRADIENT WILL KEEP A HEIGHTENED FIRE DANGER ACROSS SRN CA.
   
   ...EXTREMELY CRITICAL FIRE WEATHER AREA 1 - SRN CA...
   
   PRIMARY CONDITIONS: VERY STRONG SANTA ANA WINDS AND LOW RH/WARM
   TEMPERATURES
   
   AN EXTREME FIRE DANGER IS EXPECTED ACROSS SRN CA TODAY WITH
   CULMINATION OF SANTA ANA EVENT. VERY STRONG AND GUSTY SANTA ANA
   WINDS /POTENTIALLY GUSTING TO 40-60 MPH IN CANYONS AND PASSES/ WILL
   BE ONGOING EARLY TODAY. SANTA ANA SCENARIO IS ATTRIBUTABLE TO STRONG
   OFFSHORE PRESSURE GRADIENT /11 MB LAX-TPH/...ACCOMPANIED BY AMPLE
   UPPER SUPPORT VIA MID LEVEL COLD ADVECTION/SUBSIDENCE IN WAKE OF SRN
   ROCKIES UPPER TROUGH.
   
   AS INTERMOUNTAIN HIGH PRESSURE WEAKENS DURING THE DAY...PRESSURE
   GRADIENT WILL BEGIN TO RELAX ACCORDINGLY. EVEN SO...RATHER
   STRONG/GUSTY OFFSHORE WINDS WILL CONTINUE MUCH OF THE DAY IN
   PRESENCE OF WARM/DRY AIRMASS. WITH AFTERNOON TEMPERATURES IN THE
   80S...CRITICAL RH VALUES WILL BE AS LOW AS 7-12 PERCENT THIS
   AFTERNOON AWAY FROM THE IMMEDIATE COAST. RH RECOVERIES WILL REMAIN
   VERY POOR TONIGHT/SATURDAY MORNING.
   
   ...AL/GA/NRN FL...
   SIMILAR SCENARIO FROM THURSDAY WILL CONTINUE TODAY AMIDST SURFACE
   HIGH PRESSURE. AFTERNOON RH VALUES WILL AGAIN BE CRITICAL
   /20-30 PERCENT/ FOR A FEW HOURS DURATION. HOWEVER TEMPERATURES WILL
   REMAIN COOL IN THE MIDDLE 50S TO LOWER 60S...WITH NLY WINDS OF 10
   MPH OR LESS.
   
   ...NRN CA...
   MODEST OFFSHORE GRADIENT WILL KEEP WARM/DRY CONDITIONS ACROSS THE
   COASTAL VALLEYS OF NRN CA...WITH SOME LOCALLY GUSTY WINDS THIS
   MORNING AND AGAIN TONIGHT.
   
   ..GUYER.. 11/18/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 180827
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0227 AM CST FRI NOV 18 2005
   
   VALID 191200Z - 201200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR SRN CA...
   
   ...SYNOPSIS...
   AMPLIFIED LARGE SCALE PATTERN WILL REMAIN OVER THE CONUS INTO THE
   WEEKEND. SEVERAL UPPER IMPULSES MOVING SEWD ACROSS THE PLAINS WILL
   REINFORCE THE LONGWAVE TROUGH OVER THE CNTRL/ERN STATES...WITH UPPER
   RIDGING PERSISTING IN THE WEST. SURFACE HIGH PRESSURE WILL DOMINATE
   THE WRN HALF OF THE COUNTRY...WITH FAST MOVING COLD FRONT ADVANCING
   ACROSS THE UPPER MIDWEST ON SATURDAY.
   
   ...CRITICAL FIRE WEATHER AREA 1 - SRN CA...
   
   PRIMARY CONDITIONS: STRONG SANTA ANA WINDS AND LOW RH/WARM
   TEMPERATURES
   
   SANTA ANA EVENT WILL CONTINUE THROUGH SATURDAY/EARLY
   SUNDAY...ALTHOUGH OFFSHORE PRESSURE GRADIENT SHOULD BE SOMEWHAT
   WEAKER THAN THE DAY 1 PERIOD/FRIDAY. LOCALLY GUSTY WINDS WILL EXIST
   MUCH OF THE DAY...ESPECIALLY SATURDAY MORNING AND AGAIN SATURDAY
   NIGHT THROUGH/BELOW PASSES AND CANYONS. IN ADDITION TO THE LOCALLY
   GUSTY WINDS...PERSISTENT OFFSHORE TRAJECTORIES WILL SUPPORT
   AFTERNOON TEMPERATURES IN THE UPPER 70S/80S...WITH LOW 7-12 PERCENT
   RH MINIMUMS INLAND AND POOR RH RECOVERY OVERNIGHT.
   
   ...SE STATES/NRN FL...
   AS OLD FRONT DECAYS/MIXES NORTH ACROSS FL...DEWPOINTS ARE EXPECTED
   TO GRADUALLY INCREASE ACROSS THE REGION ON SATURDAY. CONSEQUENTLY
   AFTERNOON RH VALUES WILL IMPROVE FROM PREVIOUS DAYS...ALTHOUGH THEY
   STILL MAY REACH CRITICAL LEVELS FOR A FEW HOURS. WINDS WILL REMAIN
   RATHER LIGHT /5-10 MPH/ IN THE PRESENCE OF SURFACE HIGH PRESSURE.
   
   ..GUYER.. 11/18/2005
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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