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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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