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< Day 1 FW Outlook   Day 3-8 FW Outlook >
Feb 15, 2013 Day 2 Fire Weather Outlook
Updated: Fri Feb 15 09:25:03 UTC 2013  (Print Version)
Day 2 Fire
 Population  Cities/Towns  CWAs  Interstates  Counties  FEMA Regions  Day 2 Surface Analysis

   ZCZC SPCFWDDY2 ALL
   FNUS22 KWNS 150924
   
   DAY 2 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0324 AM CST FRI FEB 15 2013
   
   VALID 161200Z - 171200Z
   
   ...SYNOPSIS...
   BROAD UPPER-LEVEL TROUGH WILL SHIFT EWD ACROSS THE ERN CONUS AS A
   VIGOROUS EMBEDDED SHORT WAVE IMPULSE EJECTS OVER THE SOUTHEAST SAT
   MORNING/AFTERNOON. THIS WILL INDUCE CYCLOGENESIS OFF THE NC COAST
   WITH A REINFORCING COLD FRONT SWEEPING SEWD INTO NRN FL BY MIDDAY
   AND ACROSS THE REST OF THE PENINSULA BY SAT EVENING. IN THE WEST...A
   SHORT WAVE TROUGH WILL ENTER THE PACIFIC NW. THIS WILL RESULT IN
   WEAKENING OF THE ERN GREAT BASIN ANTICYCLONE AND OFFSHORE FLOW
   DIMINISHING OVER SRN CA.
   
   ...E-CNTRL FL...
   ALTHOUGH CONFIDENCE IS LOW...A PERIOD OF AT LEAST SHORT-DURATION
   CRITICAL CONDITIONS MAY DEVELOP SAT AFTERNOON IMMEDIATELY AHEAD OF A
   COLD FRONT PUSHING ACROSS THE PENINSULA. THE 00Z NAM AND SOME 03Z
   NMM-B MEMBERS OF THE SREF ARE MOST ROBUST WITH WARMING/DRYING AHEAD
   OF THE FRONT WITH RH VALUES FALLING INTO THE UPPER 20S AND 30S.
   ALTHOUGH THIS DIFFERS FROM OTHER GUIDANCE...GIVEN CURRENT UPSTREAM
   SURFACE DEW POINTS IN THE 30S ALONG WITH TRAJECTORIES ONLY ACROSS
   THE CONTINENTAL SHELF...THE COMBINATION OF MIXING WITH STRENGTHENING
   LOW-LEVEL W/NWLYS SHOULD PROMOTE SUBSTANTIAL DRYING THROUGH THE DAY.
   HOWEVER...RECENT RAINFALL AMOUNTS AROUND 0.25-0.75 INCH MAY HINDER
   CRITICALLY LOW RH FROM DEVELOPING. IN ANY CASE...THE DRYING WILL
   LIKELY BE JUXTAPOSED WITH SUSTAINED SURFACE WINDS NEAR 20 MPH IN THE
   AFTERNOON. AMIDST LONGER-TERM DRYNESS/HIGH KBDI VALUES...A CRITICAL
   AREA MAY BE WARRANTED IN LATER OUTLOOKS IF CONFIDENCE IN MODERATE
   DURATION OF LOW RH INCREASES.
   
   ..GRAMS.. 02/15/2013
   
   ...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: February 15, 2013
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