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ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 141717
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1117 AM CST TUE FEB 14 2012
VALID 151200Z - 161200Z
ONLY CHANGE THIS FORECAST UPDATE IS TO DELINEATE ELEVATED FIRE
WEATHER CONDITIONS BEING POSSIBLE IN AREAS ACROSS PARTS OF W-CNTRL
TX...PARTICULARLY IN THE TX BIG COUNTRY. THE FORECAST REMAINS
LARGELY ON TRACK AND NO OTHER CHANGE IS FORESEEN.
..SMITH.. 02/14/2012
.PREV DISCUSSION... /ISSUED 0303 AM CST TUE FEB 14 2012/
...SYNOPSIS...
IN THE MID/UPPER-LEVELS...A SHORTWAVE TROUGH OVER THE CNTRL/SRN HIGH
PLAINS WILL DEAMPLIFY AS IT QUICKLY TRACKS NEWD TOWARD THE MID MS
AND OH VALLEY REGION. SE OF THE TRACK OF THE SHORTWAVE TROUGH...A
BELT OF MODERATE TO STRONG MID/UPPER-LEVEL WSWLY FLOW WILL EXTEND
NEWD FROM TX TO THE CNTRL/SRN APPALACHIANS. IN ASSOCIATION WITH THE
SHORTWAVE TROUGH...A SFC LOW WILL SHIFT EWD/ENEWD FROM THE TX/OK
PANHANDLE AREA TOWARD THE GREAT LAKES AND OH VALLEY REGION. A COLD
FRONT EXTENDING SOUTH OF THE SFC LOW WILL TRANSLATE EWD ACROSS THE
SRN PLAINS AND WILL USHER A DRY AIR MASS INTO PARTS OF THE SRN
PLAINS.
...SERN/E-CNTRL NM...W-CNTRL/SWRN/CNTRL TX...
WLY TO WNWLY WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS ARE EXPECTED
FOR LATE MORNING INTO THE EARLY AFTERNOON. AS THE DRY AIR MASS
OVERSPREADS THE AREA...WITH ADDITIONAL BOUNDARY-LAYER DRYING
SUPPORTED BY DOWNSLOPE EFFECTS...RH VALUES ARE EXPECTED TO FALL INTO
THE MIDDLE TEENS TO THE MIDDLE 20S DURING THE MID/LATE AFTERNOON
HOURS. THE COMBINATION OF THESE FACTORS MAY YIELD ELEVATED FIRE
WEATHER CONDITIONS. HOWEVER...MULTI-MODEL CONSENSUS INDICATES A
RELAXATION OF THE PRESSURE GRADIENT AS THE AFOREMENTIONED SFC LOW
MOVES AWAY FROM THE AREA...WITH A CORRESPONDING DECREASE IN
SUSTAINED WIND SPEEDS THROUGH THE DAY. WHILE RH VALUES MAY REACH
CRITICAL THRESHOLDS IN SOME AREAS DURING THE MID/LATE
AFTERNOON...THE DURATION OF ANY CRITICALLY STRONG WINDS BEING
JUXTAPOSED WITH CRITICALLY LOW RH VALUES IS EXPECTED TO BE BRIEF
THUS MITIGATING THE FIRE WEATHER THREAT. FURTHERMORE...THE
OCCURRENCE OF RECENT PRECIPITATION ACROSS A LARGE PART OF THE AREA
WILL ALSO MITIGATE THE FIRE WEATHER THREAT. ACCORDINGLY...NO
HIGHLIGHTS ARE BEING INCLUDED AT THIS TIME.
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
CLICK FOR DAY 2 FIREWX AREAL OUTLINE PRODUCT (KWNSPFWFD2)
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