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 030858
   
   DAY 1 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0358 AM CDT MON SEP 03 2007
   
   VALID 031200Z - 041200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR NORTHEAST CA/SOUTH CENTRAL AND
   EASTERN ORE/NORTHWEST NV/CENTRAL AND SOUTHWEST ID/FAR SOUTHWEST
   MT...
   
   ...SYNOPSIS...
   THE LARGE SCALE PATTERN WILL CONTINUE TO AMPLIFY THROUGH THE
   PERIOD...HIGHLIGHTED BY A SIGNIFICANT UPPER TROUGH BUILDING EASTWARD
   TOWARD THE PACIFIC NORTHWEST THROUGH EARLY TUESDAY. ASSOCIATED WITH
   THIS FEATURE...SHOWERS WILL BEGIN TO SPREAD INLAND ALONG THE PACIFIC
   NORTHWEST COAST...WHILE BREEZY/WINDY AND DRY CONDITIONS DEVELOP FROM
   NORTHERN CA INTO SOUTHWEST MT. IN THE EAST...AN UPPER TROUGH WILL
   MOVE ACROSS QUEBEC...WITH MAINLY DRY/BREEZY CONDITIONS AHEAD OF A
   SURFACE COLD FRONT CROSSING NEW ENGLAND. OTHERWISE...PLENTIFUL
   MOISTURE BENEATH THE WESTERN STATES UPPER RIDGE WILL KEEP SHOWERS
   AND THUNDERSTORMS COMMON ACROSS MUCH OF THE EASTERN GREAT
   BASIN/INTERMOUNTAIN WEST...WITH THUNDERSTORMS ALSO EXPECTED ALONG
   THE GULF COAST STATES.
   
   ...CRITICAL FIRE WEATHER AREA - NORTHEAST CA/SOUTH CENTRAL AND
   EASTERN ORE/NORTHWEST NV/CENTRAL AND SOUTHWEST ID/FAR SOUTHWEST
   MT...
   
   PRIMARY CONDITIONS: GUSTY WINDS/LOW RH AND LONG TERM DROUGHT
   
   A STRONG/FALL-LIKE UPPER TROUGH WILL APPROACH THE PACIFIC NORTHWEST
   COAST THIS AFTERNOON AND TONIGHT...STRENGTHENING A BELT OF
   SOUTHWESTERLY FLOW FROM NORTHERN CA INTO THE NORTHERN ROCKIES. WELL
   AHEAD OF A COLD FRONT REACHING THE PACIFIC COAST THIS EVENING...A
   BROAD CORRIDOR FROM NORTHERN CA INTO FAR SOUTHWEST MT IS LIKELY TO
   EXPERIENCE A CRITICAL FIRE DANGER THIS AFTERNOON VIA MOSTLY SUNNY
   SKIES...HOT TEMPERATURES...AND GUSTY WINDS. AFTERNOON MINIMUM RH
   VALUES WILL IN THE 10-15 PERCENT RANGE /ESPECIALLY LOWER
   ELEVATIONS/...WITH SUSTAINED WIND SPEEDS OF 15-25 MPH...ALONG WITH
   HIGHER GUSTS.
   
   ...UT/EASTERN NV...
   THUNDERSTORMS ARE AGAIN EXPECTED THIS AFTERNOON/EARLY EVENING ACROSS
   THE EASTERN GREAT BASIN INTO UT AS MOISTURE REMAINS TRAPPED BENEATH
   THE UPPER RIDGE. HOWEVER...MUCH OF THESE STORMS SHOULD BE WET IN
   NATURE.
   
   ...NY TO NEW ENGLAND...
   CONDITIONS MAY APPROACH CRITICAL THRESHOLDS FOR A SHORT DURATION
   THIS AFTERNOON AHEAD OF AN EASTWARD MOVING/MAINLY DRY COLD FRONT.
   AHEAD OF THE FRONT...BREEZY WEST-SOUTHWESTERLY SURFACE WINDS
   /SUSTAINED AS HIGH AS 15-20 MPH WITH HIGHER GUSTS/ AND MARGINALLY
   LOW RH VALUES /30 TO 40 PERCENT/ ARE EXPECTED.
   
   ..GUYER.. 09/03/2007
   
   ...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 031048
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0548 AM CDT MON SEP 03 2007
   
   VALID 041200Z - 051200Z
   
   ...CRITICAL FIRE WEATHER AREA FOR CA SIERRAS/MUCH OF NV/FAR WEST AND
   NORTHERN UT/CENTRAL AND SOUTHERN ID/MUCH OF MT/WESTERN WY...
   
   ...SYNOPSIS...
   A POTENT UPPER TROUGH WILL ADVANCE EASTWARD OVER THE PACIFIC
   NORTHWEST/NORTHERN ROCKIES ON TUESDAY...WITH DOWNSTREAM UPPER
   RIDGING PREVALENT ACROSS THE CENTRAL STATES. OWING TO MODERATELY
   STRONG WIND FIELDS ASSOCIATED WITH THE UPPER TROUGH...AND A SHARP
   COLD FRONT CROSSING THE INTERMOUNTAIN REGION/GREAT BASIN...A BROAD
   EXTENT OF CRITICAL FIRE WEATHER CONDITIONS IS EXPECTED ON TUESDAY
   FROM THE GREAT BASIN INTO THE NORTHERN ROCKIES/NORTHERN HIGH PLAINS
   OF MT.
   
   ...CRITICAL FIRE WEATHER AREA - CA SIERRAS/MUCH OF NV/FAR WEST AND
   NORTHERN UT/CENTRAL AND SOUTHERN ID/MUCH OF MT/WESTERN WY...
   
   PRIMARY CONDITIONS: STRONG/GUSTY WINDS WITH COLD FRONTAL WIND SHIFT
   AND THUNDERSTORMS
   
   ASSOCIATED WITH THE STRONG WESTERN STATES UPPER TROUGH...A COLD
   FRONT WILL CROSS PORTIONS OF MT/ID/NORTHERN NV DURING THE DAY ON
   TUESDAY...WHILE THUNDERSTORMS INCREASE ACROSS MUCH OF THE
   INTERMOUNTAIN WEST/ROCKIES AND EASTERN GREAT BASIN. A COMBINATION OF
   THESE FACTORS IS EXPECTED TO LEAD TO A RATHER BROAD GEOGRAPHIC
   EXTENT OF CRITICAL FIRE WEATHER CONDITIONS TUESDAY AFTERNOON AND
   EVENING. 
   
   AHEAD OF THE FRONT...A HOT/MAINLY DRY WARM SECTOR AND GUSTY WINDS
   WILL YIELD CRITICAL CONDITIONS FROM THE CA SIERRAS/MUCH OF NV INTO
   THE NORTHERN ROCKIES...ALTHOUGH THE EASTERN EXTENT ACROSS THE
   EASTERN GREAT BASIN WILL BE COMPLICATED BY POTENTIAL CLOUD
   COVER/MARGINALLY HIGH RH VALUES. NEVERTHELESS...MANY LOCALES SHOULD
   SEE SUSTAINED WIND SPEEDS REACH 20 MPH OR GREATER...WITH HIGHER
   GUSTS...ALONG WITH MINIMUM RH VALUES OF 10-15 PERCENT /ESPECIALLY
   LOWER ELEVATIONS/ WITHIN A WELL-MIXED PREFRONTAL WARM SECTOR. A WIND
   SHIFT ACROSS MT/ID/NV WITH THE COLD FRONT WILL ALSO POSE A HAZARD
   WITH ANY ONGOING FIRES. IN ADDITION...OWING TO AMPLE MID LEVEL
   MOISTURE...THUNDERSTORMS ARE ALSO LIKELY TO INCREASE TUESDAY
   AFTERNOON/EVENING ACROSS EASTERN NV/UT INTO MUCH OF ID/MT AND
   WESTERN WY...WITH A RISK OF NEW FIRE STARTS.
   
   ..GUYER.. 09/03/2007
   
   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
   
      

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