[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 131948
SWOMCD
SPC MCD 131947
VAZ000-WVZ000-NCZ000-TNZ000-KYZ000-SCZ000-GAZ000-ALZ000-132045-

MESOSCALE DISCUSSION 0776
NWS STORM PREDICTION CENTER NORMAN OK
0247 PM CDT FRI MAY 13 2011

AREAS AFFECTED...NERN AL...NRN GA...ERN TN...WRN NC...SWRN VA

CONCERNING...SEVERE THUNDERSTORM WATCH 297...

VALID 131947Z - 132045Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 297
CONTINUES.

RECENT RADAR AND SATELLITE TRENDS INDICATE A GENERAL WEAKENING OF
CONVECTION ALONG EWD PROPAGATING COLD POOL AS IT MOVES ACROSS ERN TN
AND NRN GA. ISOLATED STRONG TO SVR THUNDERSTORMS HAVE DEVELOPED
ALONG THE SRN FLANK OF THE LINE ACROSS NRN GA...AS WELL AS AHEAD OF
THE PRIMARY COLD POOL OVER NERN TN. THE ENVIRONMENT REMAINS
SUPPORTIVE OF ADDITIONAL DEVELOPMENT OF STRONG-SVR THUNDERSTORMS
WITH MLCAPE VALUES RANGING BTWN 1000-1500 J/KG...BUT COVERAGE SHOULD
REMAIN ISOLATED AS MORE SIGNIFICANT DEEP-LAYER FORCING REMAINS
POSITIONED FARTHER WWD. MODEST EFFECTIVE SHEAR VALUES /NEAR 20 KTS/
WILL TEND TO LIMIT THUNDERSTORM ORGANIZATION...BUT A THREAT FOR SVR
HAIL AND DMGG WIND GUSTS WILL PERSIST WITH THE STRONGEST STORMS
ACROSS ROUGHLY THE ERN HALF OF THE WATCH AREA.

..ROGERS.. 05/13/2011

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

ATTN...WFO...RNK...RLX...GSP...MRX...JKL...FFC...BMX...

LAT...LON   33718372 33758546 37298299 37268053 33718372


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