[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 182054
SWOMCD
SPC MCD 182054
GAZ000-SCZ000-NCZ000-TNZ000-ALZ000-182200-

MESOSCALE DISCUSSION 1213
NWS STORM PREDICTION CENTER NORMAN OK
0354 PM CDT THU JUN 18 2009

AREAS AFFECTED...NRN GA...EXTREME WRN NC AND SC

CONCERNING...SEVERE THUNDERSTORM WATCH 461...

VALID 182054Z - 182200Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 461
CONTINUES.

IT IS SOMEWHAT UNCERTAIN WHETHER A NEW WATCH WILL BE NECESSARY
BEFORE THE EXPIRATION OF WW 461 OCCURS AT 22Z. RADAR IMAGERY SHOWS
THAT FORWARD PROPAGATING MCS HAS WEAKENED SUBSTANTIALLY OVER THE
APPALACHIAN MOUNTAINS...BUT DISCRETE THUNDERSTORM ACTIVITY HAS
DEVELOPED FROM NRN GA INTO WRN SC. THESE STORMS ARE OCCURRING WITHIN
AN ENVIRONMENT CHARACTERIZED BY VERY LARGE INSTABILITY /MLCAPE AOA
3000 J PER KG/ AND MODERATE DEEP LAYER NWLY VERTICAL WIND SHEAR.
THUS...ORGANIZED MULTICELLS POSING A LARGE HAIL/DAMAGING WIND THREAT
ARE POSSIBLE. IF STORM INTENSITY AND COVERAGE INCREASE DURING THE
NEXT HOUR...A NEW WW MAY BE NECESSARY.

..GARNER.. 06/18/2009

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

ATTN...WFO...CAE...GSP...MRX...FFC...BMX...HUN...

LAT...LON   35218591 35208405 35668312 33458208 33458505 35218591



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