Storm Prediction Center
Day 1 and Day 2 Fire Weather Outlooks

Day 1 Fire Weather Forecast graphic

   ZCZC SPCFWDDY1 ALL
   FNUS21 KWNS 070900
   STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
   400 AM CDT FRI JUN 07 2002
     
   DAY 1 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWE98 KWNS
   VALID 071200-081200
     
   ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF THE GREAT BASIN/FOUR
   CORNERS AND CENTRAL ROCKIES REGION...
   
   ...SYNOPSIS... 
   CRITICAL FIRE WEATHER CONDITIONS WILL BE CONFINED TO THE WRN U.S...
   WHERE A UNSEASONABLY STRONG UPPER LEVEL TROUGH WILL DIG INTO THE
   GREAT BASIN/PAC NW THROUGH THE PERIOD...AIDING IN INCREASING WSWLY
   LOW AND MID LEVEL WINDS. MUCH OF THE REMAINDER OF THE COUNTRY WILL
   BE DOMINATED BY A BROAD UPPER LEVEL/SURFACE RIDGE OF HIGH
   PRESSURE...WHICH WILL PROVIDE FOR FAIRLY TRANQUIL CONDITIONS OVER
   THIS REGION. THE ONLY EXCEPTION WILL BE ALONG THE GULF COAST AND
   ALONG THE SERN COAST WILL SCATTERED AREAS OF RAINFALL WILL OCCUR
   ALONG A COLD/STATIONARY FRONTAL BOUNDARY.  
   
   ...CRITICAL FIRE WEATHER AREA 1 -SERN CA...SRN/CENTRAL
   NV...CENTRAL/SRN UT...NWRN AZ AND WRN CO...
     
   PRIMARY CONDITIONS: VERY LOW RH READINGS FROM 5 TO 15 PERCENT /
   SUSTAINED WINDS FROM 25 TO 30 MPH WITH GUSTS TO 35 MPH / LONG TERM
   DROUGHT CONDITIONS...
   
   AHEAD OF DEEPENING MID/UPPER LEVEL TROUGH OVER THE PAC NW...AN AREA
   OF SURFACE LOW PRESSURE WILL STRENGTHEN OVER THE NRN UT/SERN ID AND
   WRN WY AREA DURING THE PERIOD. A STATIONARY FRONT WILL EXTEND FROM
   THE LOW PRESSURE CENTER EWD ACROSS NRN NV AND SRN CA EARLY IN THE
   PERIOD...BEFORE BEGINNING TO MOVE SWD AS A COLD FRONT DURING THE
   LATER HALF OF THE PERIOD. DEEP MIXING/DRY ADIABATIC LAPSE RATES
   FROM THE SURFACE TO 600 MB TO THE SOUTH OF THE FRONT WILL AID IN
   TRANSFER OF 25-35 KT WINDS IN THE 5-10 KFT AGL LAYER TO THE SURFACE
   BY THE EARLY AFTERNOON. NEAR RECORD HIGH TEMPERATURES ARE EXPECTED
   AGAIN TODAY WITH READINGS FROM THE 70S-80S ABOVE 6000 FT AND THE
   90S TO 105 DEGREES BELOW 6000 FT. CONSEQUENT MINIMUM RH READINGS
   WILL RANGE FROM 5 TO 15 PERCENT. SURFACE WINDS ARE EXPECTED TO
   DIMINISH TO UNDER CRITICAL VALUES BY THE EARLY EVENING ACROSS MUCH
   OF THE AREA...EXCEPT ABOVE THE NOCTURNAL INVERSION LAYER/HIGHER MTN
   ELEVATIONS...WHERE WINDS WILL REMAIN NEAR CRITICAL LEVELS
   OVERNIGHT. RH RECOVERY IS EXPECTED TO BE POOR...EXCEPT ACROSS
   PORTIONS OF ERN NV/WRN UT...WHERE FRONTAL PASSAGE AND SLIGHTLY
   COOLER TEMPERATURES WILL AID IN FAIR RECOVERY.
   
   ...NRN CA...
   SURFACE COLD FRONT WILL SHIFT SWD THROUGH THE AREA OVERNIGHT. A
   MODERATELY STRONG PRESSURE GRADIENT OF AROUND 10 MB/S WILL DEVELOP
   BETWEEN 08/06Z AND 08/12Z FROM FAR SRN ORE TO CENTRAL CA BEHIND THE
   FRONT. THIS SHOULD AID IN NLY/DOWNSLOPE WINDS FROM 15 TO 30 MPH TO
   DEVELOP ACROSS THE NRN SACRAMENTO/COASTAL RANGE VALLEYS AND
   FOOTHILLS. AT THIS TIME SUSTAINED WIND SPEEDS ARE EXPECTED TO
   REMAIN BELOW CRITICAL LEVELS. 
     
   ...SRN NM NWD INTO WY...
   ISOLATED THUNDERSTORMS WILL BE POSSIBLE DURING THE AFTERNOON HOURS
   FROM SRN/CENTRAL NM NWD ALONG THE CENTRAL ROCKIES OF CO/WY. A LARGE
   DRY SUB-CLOUD LAYER BELOW CLOUD BASE WILL FAVOR LITTLE
   PRECIPITATION REACHING THE GROUND AND GUSTY/ERRATIC 30-50 MPH WINDS
   IN CLOSE PROXIMITY TO ANY THUNDERSTORMS THAT DEVELOP. LIMITED
   COVERAGE OF CONVECTION ANTICIPATED WILL PRECLUDE THE NEED FOR A DRY
   THUNDER OUTLOOK AREA. RH READINGS AROUND 15 PERCENT COMBINED WITH
   DEEPENING LEE TROUGH WILL FURTHER AID IN THE POTENTIAL FOR NEAR
   CRITICAL FIRE WEATHER CONDITIONS ACROSS NERN NM AND ERN CO WITH AS
   SUSTAINED WINDS FROM 15 TO 25 MPH ARE EXPECTED DURING THE AFTERNOON
   HOURS.
   
   ..CROSBIE.. 06/07/02
     
   SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
     
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Day 2 Fire Weather Forecast graphic

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 070959
   STORM PREDICTION CENTER...NWS/NCEP...NORMAN OK
   500 AM CDT FRI JUN 07 2002
     
   DAY 2 FIRE WEATHER OUTLOOK...REF AWIPS GRAPHIC PMWI98 KWNS
   VALID 081200-091200
     
   ...CRITICAL FIRE WEATHER AREA FOR MUCH OF ERN GREAT BASIN/FOUR
   CORNERS AND CENTRAL ROCKIES REGION...
   
   ...SYNOPSIS... 
   STRONG MID LEVEL SHORTWAVE TROUGH WILL CONTINUE TO DIG SLOWLY SEWD
   INTO THE GREAT BASIN DURING THE PERIOD. AHEAD OF A SURFACE COLD
   FRONT...ANOTHER CRITICAL FIRE WEATHER DAY WILL OCCUR ACROSS MUCH OF
   THE ERN GREAT BASIN/CENTRAL ROCKIES AND FOUR CORNERS AREA. A BROAD
   SFC TO UPPER LEVEL RIDGE WILL CONTINUE TO DOMINATE MUCH OF THE ERN
   HALF OF THE COUNTRY...AGAIN PROVIDING FOR NO FIRE WEATHER CONCERNS
   TO THIS AREA.
     
   ...CRITICAL FIRE WEATHER AREA 1 -SERN CA/SRN NV...SRN/CENTRAL
   UT...WRN/CENTRAL CO...NRN AZ AND NWRN NM...
     
   PRIMARY CONDITIONS: VERY LOW RH READINGS FROM 5 TO 15 PERCENT /
   SUSTAINED WINDS FROM 25 TO 35 MPH WITH GUSTS TO 45 MPH / LONG TERM
   DROUGHT CONDITIONS...
   
   A SIGNIFICANT FIRE WEATHER THREAT WILL OCCUR ACROSS THE AREA DURING
   THE PERIOD. A COLD FRONT EXTENDING FROM A DEEPENING LOW PRESSURE
   OVER WY WILL SLOWLY MOVE SEWD AND EXTEND FROM CENTRAL CA/SRN NV
   NEWD ACROSS ERN UT AND INTO SERN WY BY 09/12Z. AHEAD OF THIS
   FRONT...INCREASING SURFACE PRESSURE GRADIENT/MID LEVEL FLOW ALONG
   WITH A DEEP LAYER OF NEAR DRY ADIABATIC LAPSE RATES WILL AID IN AN
   AVERAGE 5-10 MPH INCREASE IN SUSTAINED WINDS ACROSS THE AREA FROM
   THE DAY ONE PERIOD. SUSTAINED WINDS FROM 25 TO 35 MPH WITH GUSTS TO
   45 MPH WILL BE LIKELY ACROSS MUCH OF THE AREA...WITH THE STRONGEST
   WINDS EXPECTED TO OCCUR FROM FAR NWRN AZ NEWD ACROSS CENTRAL UT
   INTO NWRN CO/SWRN WY. MINIMUM RH READINGS FROM 5 TO 15 PERCENT WILL
   COMBINE WITH THE AFOREMENTIONED WINDS TO PRESENT A VERY SERIOUS
   FIRE WEATHER THREAT GIVEN THE LONG TERM DROUGHT/DRY FUELS PRESENT
   IN THE AREA. RH RECOVERY IS EXPECTED TO REMAIN POOR
   OVERNIGHT...WITH WINDS REMAINING ABOVE CRITICAL LEVELS UNTIL A FEW 
   HOURS AFTER SUNSET. PORTIONS OF THIS OUTLOOK ARE LIKELY TO BE
   UPGRADED TO AN EXTREMELY CRITICAL OUTLOOK AREA...AS DETAILS BECOME
   BETTER DEFINED.
   
   ...FRONT RANGE/HIGH PLAINS OF ERN CO/SERN WY AND WRN NEB...
   SUSTAINED WINDS FROM 25 TO 35 MPH WILL BE PRESENT FROM LATE MORNING
   THROUGH EARLY EVENING AS AN AREA OF LOW PRESSURE OVER CENTRAL WY
   DEEPENS SIGNIFICANTLY FROM THE DAY 1 PERIOD. MINIMUM RH READINGS
   FROM 15 TO 20 PERCENT WILL PRODUCE NEAR CRITICAL FIRE WEATHER
   CONDITIONS. AREA WILL BE MONITORED FOR A POSSIBLE UPGRADE.
    
   ..CROSBIE.. 06/07/02
      
   SPC FIRE WEATHER OUTLOOKS ARE AVAILABLE AT WWW.SPC.NOAA.GOV/FIRE
     
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