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 090827
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0327 AM CDT MON OCT 09 2006
   
   VALID 091200Z - 101200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF WRN ORE AND NRN CA...
   
   ...SYNOPSIS...
   INTENSIFYING UPPER LEVEL TROUGH ACROSS ID WILL DIG SWWD ACROSS THE
   NRN GREAT BASIN THROUGH TUESDAY MORNING. A MID-LEVEL N/NELY SPEED
   MAX WILL DEVELOP FROM ERN WA SWWD INTO NRN CA. TO THE S OF THE
   TROUGH AND ASSOCIATED SPEED MAX...SURFACE LOW PRESSURE WILL
   STRENGTHEN ACROSS THE SRN GREAT BASIN. MEANWHILE...SURFACE HIGH
   PRESSURE WILL REMAIN ANCHORED ACROSS THE NRN ROCKIES/HIGH PLAINS.
   THIS WILL LEAD TO A TIGHTER SURFACE PRESSURE GRADIENT ACROSS ORE/NRN
   CA LATER TODAY THROUGH TONIGHT.
   
   ...CRITICAL FIRE WEATHER AREA - PORTIONS OF WRN ORE AND NRN CA...
   
   PRIMARY CONDITIONS: STRONG WINDS / LOW RH
   
   OFFSHORE WINDS WILL DEVELOP BY THIS AFTERNOON ACROSS ORE AS
   LOW/MID-LEVEL NELY WINDS INTENSIFY THROUGH THE DAY IN THE SUBSIDENCE
   REGION OF THE ID/NRN NV UPPER LOW. AS TEMPERATURES WARM THROUGH
   DAYTIME HEATING...LOW-LEVEL LAPSE RATES WILL STEEPEN AND HELP TO
   MECHANICALLY MIX THE STRONGER WINDS ALOFT. SUSTAINED SURFACE WINDS
   OF 20 TO 30 MPH APPEAR LIKELY BY LATE AFTERNOON THROUGH THE EVENING
   HOURS. DOWNSLOPE WARMING/DRYING SHOULD ALLOW TEMPERATURES TO WARM
   INTO THE 70S WITH RH VALUES DROPPING TO 15 TO 20 PERCENT IN THE
   VALLEYS W OF THE CASCADES. THE MOST INTENSE LOW-LEVEL WINDS WILL
   LIKELY OCCUR AFTER SUNSET WITH GUSTS AS HIGH AS 50 MPH POSSIBLE IN
   PASSES.
   
   FURTHER S...SUSTAINED WINDS WILL MOST LIKELY REACH 20 MPH DURING THE
   EVENING/OVERNIGHT HOURS AS BOTH LOW/MID-LEVEL WINDS INCREASE OWING
   TO THE APPROACH OF THE NV LOW. CRITICALLY LOW RH /FROM 10 TO 15
   PERCENT/ SHOULD DEVELOP BY SUNSET AS THE DOWNSLOPE FLOW WORKS TO DRY
   THE LOW-LEVEL COLUMN. POOR RH RECOVERY CAN BE EXPECTED OVERNIGHT
   WITH THE GUSTY N/NE WINDS CONTINUING.
   
   ...ERN WA...
   AREAS OF RAIN WHICH FELL ON SUNDAY ALONG WITH EXPECTED MARGINALLY
   LOW RH AND WEAKER WINDS COMPARED TO LOCATIONS FURTHER SW
   NECESSITATES A DOWNGRADE FROM THE DAY 2 OUTLOOK. LOCALIZED CRITICAL
   CONDITIONS MAY STILL DEVELOP BUT A WIDESPREAD EVENT IS NOT
   ANTICIPATED. TEMPERATURES SHOULD ONLY WARM INTO THE UPPER 50S AND
   60S WITH DEW POINTS DRYING INTO THE UPPER TEENS/20S. THIS SHOULD
   PRODUCE MARGINALLY LOW RH OF AROUND 20 PERCENT. SUSTAINED NELY WINDS
   WILL LIKELY REACH 15 TO 20 MPH FROM LATE MORNING THROUGH THE
   AFTERNOON.
   
   ..GRAMS.. 10/09/2006
   
   ...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 090924
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0424 AM CDT MON OCT 09 2006
   
   VALID 101200Z - 111200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF SWRN ORE AND NRN CA...
   
   ...SYNOPSIS...
   A CLOSED UPPER LEVEL LOW IS EXPECTED TO BE NEAR THE NRN SIERRAS
   TUESDAY MORNING. THIS LOW WILL MOVE SLOWLY W/SWWD OFF THE NRN CA
   COAST AS A LARGE DOWNSTREAM TROUGH AMPLIFIES OVER THE UPPER MIDWEST.
   A MID-LEVEL SPEED MAX IN ASSOCIATION WITH THE CA LOW SHOULD BEGIN TO
   MOVE OFFSHORE FROM WRN ORE/NRN CA. AT THE SURFACE...HIGH PRESSURE
   ACROSS THE NRN ROCKIES SHOULD WEAKEN AS AN INTENSE SWD-SINKING COLD
   FRONT APPROACHES.
   
   ...CRITICAL FIRE WEATHER AREA - PORTIONS OF SWRN ORE AND NRN CA...
   
   PRIMARY CONDITIONS: POOR RH RECOVERY / GUSTY WINDS
   
   GUSTY OFFSHORE WINDS WILL LIKELY BE ONGOING TUESDAY MORNING TO THE
   N/NW OF THE MID-LEVEL LOW EXPECTED TO BE NEAR RNO. LOW-LEVEL WINDS
   SHOULD DIMINISH AND BECOME MORE ELY THROUGH THE DAY AS THE LOW
   TRACKS TO THE WSW AND HIGH PRESSURE WEAKENS ACROSS THE NRN ROCKIES.
   HOWEVER...STEEPENING LOW-LEVEL LAPSE RATES VIA DAYTIME HEATING WILL
   LIKELY MAINTAIN SUSTAINED WINDS AROUND 20 TO 25 MPH THROUGH MOST OF
   THE AFTERNOON. MORNING RH SHOULD ALREADY BE LOW DUE TO THE GUSTY
   DOWNSLOPE WINDS W OF THE CASCADES/SISKIYOUS. AS TEMPERATURES WARM
   INTO THE 70S/LOWER 80S...RH VALUES WILL LIKELY DROP TO AROUND 15
   PERCENT. GUSTY WINDS MAY CONTINUE OVERNIGHT...HOWEVER SPEEDS SHOULD
   BE MUCH LESS COMPARED TO MONDAY NIGHT. THIS WILL LEAD TO IMPROVED RH
   RECOVERY WEDNESDAY MORNING.
   
   ..GRAMS.. 10/09/2006
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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