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< Day 1 FW Outlook   Day 3 - 8 FW Outlook >
Aug 27, 2015 Day 2 Fire Weather Outlook
Updated: Thu Aug 27 18:29:02 UTC 2015 (Print Version | 20150827 2000Z Day 2 FireWX shapefile | 20150827 2000Z Day 2 FireWX KML)
Day 2 Fire
 Population  Cities/Towns  CWAs  Interstates  Counties  FEMA Regions  Day 2 Surface Analysis

Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 271825

   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0125 PM CDT THU AUG 27 2015

   VALID 281200Z - 291200Z

   NO CHANGES HAVE BEEN MADE. PLEASE SEE PREVIOUS DISCUSSION FOR MORE
   DETAILS.

   ..LEITMAN.. 08/27/2015

   .PREV DISCUSSION... /ISSUED 0222 AM CDT THU AUG 27 2015/

   ...SYNOPSIS...
   THE VIGOROUS UPPER LOW OVER THE NORTHEASTERN PACIFIC ON D1/THU WILL
   MAKE GRADUAL PROGRESS INLAND ACROSS THE PACIFIC NORTHWEST THROUGHOUT
   D2/FRI.  IMMEDIATELY DOWNSTREAM OF THIS STORM SYSTEM...AN UPPER
   RIDGE FROM THE FOUR CORNERS NORTHWARD INTO MONTANA WILL MIGRATE
   STEADILY EASTWARD...AND A WEAK SHORTWAVE WILL MOVE TOWARD THE
   WESTERN GREAT LAKES REGION.  A BROAD/WEAK DISTURBANCE WILL REMAIN
   QUASI-STATIONARY OVER THE LOWER MISSISSIPPI VALLEY AND GULF OF
   MEXICO.

   ...NORTHERN CALIFORNIA NORTHEASTWARD INTO SOUTHEASTERN OREGON...
   MODERATE TO STRONG /45-70 KNOT/ SOUTHWESTERLY MID-LEVEL FLOW WILL
   OVERSPREAD THE REGION THROUGHOUT THE DAY AND INTO THE EVENING HOURS
   ATOP A VERY DRY LOW-LEVEL AIRMASS IN PLACE OVER THE AREA. 
   INSOLATION/VERTICAL MIXING PROCESSES WILL TRANSPORT THAT
   HIGHER-MOMENTUM AIR TO THE SURFACE...RESULTING IN SOUTHWESTERLY
   SURFACE WINDS APPROACHING 20 MPH /WITH HIGHER GUSTS/ DURING THE
   AFTERNOON AND EVENING HOURS.  THESE WINDS...ALONG WITH DRY FUELS AND
   NEAR-CRITICAL SURFACE RH VALUES /AROUND 15 PERCENT/ WILL YIELD
   ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS FROM LATE
   AFTERNOON INTO THE EARLY EVENING ACROSS THE AREA.  

   ...NORTHEASTERN MONTANA...
   A DRY AIRMASS WILL ALSO BE IN PLACE IN THIS REGION...WITH 12-20
   PERCENT SURFACE RH VALUES EXPECTED FOR SEVERAL HOURS DURING THE
   AFTERNOON.  SURFACE WINDS ARE EXPECTED TO APPROACH 15 MPH EARLY IN
   THE DAY...BUT SHOULD WEAKEN SOME DURING THE DAY DUE TO UPPER RIDGING
   BUILDING INTO THE AREA AND A NORTHERN-PLAINS SURFACE LOW MOVING AWAY
   FROM THE AREA.  CURRENT INDICATIONS ARE THAT ANY ELEVATED FIRE
   WEATHER CONDITIONS WILL BE TOO BRIEF FOR A DELINEATION AT THIS
   TIME...ALTHOUGH IF SURFACE WINDS ARE STRONGER AND/OR LONGER DURATION
   THAN CURRENTLY INDICATED IN MODEL GUIDANCE...AN ELEVATED /OR PERHAPS
   CRITICAL/ FIRE WEATHER DELINEATION MAY ULTIMATELY BE NEEDED.  THIS
   AREA WILL BE MONITORED IN FUTURE OUTLOOKS.

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

   CLICK FOR DAY 2 FIREWX AREAL OUTLINE PRODUCT (KWNSPFWFD2)

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Page last modified: August 27, 2015
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