[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 180233
SWOMCD
SPC MCD 180232
SCZ000-GAZ000-NCZ000-TNZ000-180300-

MESOSCALE DISCUSSION 1188
NWS STORM PREDICTION CENTER NORMAN OK
0932 PM CDT WED JUN 17 2009

AREAS AFFECTED...PARTS OF TN-NC SMOKEY MTNS / NERN GA / UPSTATE OF
SC

CONCERNING...SEVERE THUNDERSTORM WATCH 441...

VALID 180232Z - 180300Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 441
CONTINUES.

ISOLD LARGE HAIL/DMGG WIND POTENTIAL MAY PERSIST BEYOND WW 441 03Z
EXPIRATION TIME.  THE VALID PORTIONS OF WW 441 WILL LIKELY BE
REPLACED ALONG/W OF SAVANNAH RIVER BY 03Z.

LATEST RADAR MOSAIC SHOWS CLUSTERS OF STRONG/SEVERE STORMS ACROSS
PARTS OF THE SC/GA BORDER AND SC UPSTATE AREA EXTENDING NWWD INTO
THE TN SMOKEY MTNS.  STORMS HAVE MORE RECENTLY DEVELOPED PARTLY DUE
TO WEAK ISENTROPIC LIFT OVER ERN TN NEAR OR ATOP A COLD POOL
ORIGINATING FROM CONVECTION LOCATED OVER FAR WRN NC AS OF 0225Z.
ALL OF THIS ACTIVITY IS SHOWING A TREND TOWARDS CONSOLIDATING INTO A
BROKEN LINE EXTENDING FROM NEAR ANDERSON SC TO 40 MI ENE CHA.

WEAK BUT VEERING WIND PROFILE FROM 00Z FFC RAOB MAY BE MODULATED
SOMEWHAT AS WEAK IMPULSE OVER THE TN VALLEY APPROACHES THE AREA
TONIGHT.  MODERATE POTENTIAL INSTABILITY /MLCAPE 2000-3000 J/KG/ ON
FFC RAOB AND AREA RUC FORECAST SOUNDINGS SUGGEST AMPLE BUOYANCY WILL
BE IN PLACE ACROSS THE REGION INTO THE EARLY OVERNIGHT.  EXPECTING
STORMS TO EXHIBIT A MORE SWD COMPONENT TO MOTION WITH TIME...INTO
THE INSTABILITY AXIS POSING A CONTINUED THREAT FOR DMGG WINDS AND
LARGE HAIL.

..SMITH.. 06/18/2009

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

ATTN...WFO...CAE...GSP...MRX...FFC...

LAT...LON   34908255 33928198 33148163 32958206 32788271 32758317
            33188387 33678430 34048444 34648463 35078475 35388478
            35638453 35548411 35118341 34908255

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