Storm Prediction Center Day 2 Fire Weather Outlook

Created: Tue Sep 2 16:58:34 UTC 2014 (20140902 2000Z Day 2 FireWX shapefile | 20140902 2000Z Day 2 FireWX KML)

Day 2 Fire Weather Forecast graphic
Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
Critical 14,573 90,824 Casper, WY...Rawlins, WY...

Click for Day 2 FireWX Areal Outline Product (KWNSPFWFD2)

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 021657

   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1157 AM CDT TUE SEP 02 2014

   VALID 031200Z - 041200Z

   ...CRITICAL FIRE WEATHER AREA FOR CNTRL WYOMING...

   HAVE ADDED AN ELEVATED AREA FOR PORTIONS OF SWRN OREGON AND A SMALL
   PORTION OF NWRN CA FOR NELY/OFFSHORE WINDS/DRY FUELS AND VERY DRY
   CONDITIONS.

   ...CNTRL/SRN WY...
   PREVIOUS FORECAST FOR THIS CRITICAL FIRE WEATHER AREA AND
   SURROUNDING ELEVATED FIRE WEATHER AREA REMAINS ON TRACK AS MODELS
   CONTINUE TO FORECAST WARMER AND SLIGHTLY DRIER FOR WEDNESDAY
   COMPARED TO TODAY.  MOST HIGHS AT LOWER ELEVATIONS WILL MAKE IT INTO
   THE LOW 80S WITH HUMIDITY IN THE TEENS AND W/SWLY WINDS AT 25 TO 30
   MPH AND GUSTS OVER 35 MPH IN THE CRITICAL AREA WITH 15 TO 25 MPH AND
   A FEW HIGHER GUSTS IN THE SURROUNDING ELEVATED AREA.

   ...A SMALL PORTION OF SWRN OREGON AND NWRN CA...
   WITH AN INVERTED SURFACE TROUGH ALONG THE NW CA COAST...MID AND HIGH
   ELEVATIONS SHOULD SEE NELY/OFFSHORE WINDS OF 15 TO 20 MPH AND
   HUMIDITY FROM 10 TO 15 PERCENT.  IT WILL ALSO CONTINUE WARM TO HOT
   AT LOWER ELEVATIONS.  THE AIR MASS IS EXTREMELY DRY WITH LOWEST
   PRECIPITABLE WATER AT OR BELOW 0.25 INCH AND FUELS REMAIN VERY DRY
   ACROSS THE AREA...DUE TO THE ONGOING DROUGHT AND POOR OVERNIGHT
   HUMIDITY RECOVERY.

   ..BOTHWELL.. 09/02/2014

   .PREV DISCUSSION... /ISSUED 0247 AM CDT TUE SEP 02 2014/

   ...SYNOPSIS...
   PROGRESSIVE SHORTWAVE TROUGH WILL MOVE ENEWD FROM THE PACIFIC NW
   ACROSS THE NRN ROCKIES AND INTO SRN SASKATCHEWAN WHILE SUBTROPICAL
   RIDGING PERSISTS ACROSS THE SOUTHEAST AND SRN PLAINS. AT THE
   SURFACE...COLD FRONT ASSOCIATED WITH THE PACIFIC NW SHORTWAVE WILL
   PUSH EWD/SEWD ACROSS THE NRN ROCKIES AND NRN GREAT BASIN. BY
   00Z/THU...THIS COLD FRONT IS EXPECTED TO EXTEND FROM THE MT/ND
   BORDER SWWD INTO CNTRL NV. 

   ...CNTRL/SRN WY...
   UPPER FLOW ACROSS THE REGION WILL BECOME MORE SWLY AND INCREASE
   SLIGHTLY AS THE SHORTWAVE MOVES THROUGH MT. SURFACE PRESSURE
   GRADIENT WILL ALSO INCREASE AHEAD OF THE COLD FRONT. THESE FACTORS
   WILL HELP SUPPORT SUSTAINED WLY/SWLY SURFACE WINDS AROUND 25-30 MPH
   WITH GUSTS OVER 35 MPH. TEMPERATURES WILL BE A FEW DEGREES WARMER
   THAN TUESDAY WITH RESULTANT RH VALUES GENERALLY FROM 12 TO 17
   PERCENT. THE LOWEST RH VALUES ARE EXPECTED ACROSS CNTRL WY WHERE
   TEMPERATURES WILL REACH THE MID 80S. AS A RESULT...CRITICAL FIRE
   WEATHER CONDITIONS ARE EXPECTED ACROSS CNTRL WY WITH ELEVATED TO
   LOCALLY CRITICAL CONDITIONS ELSEWHERE ACROSS THE REGION.

   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...

      

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