[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 212237
SWOMCD
SPC MCD 212236
VAZ000-NCZ000-SCZ000-TNZ000-GAZ000-ALZ000-220030-

MESOSCALE DISCUSSION 0176
NWS STORM PREDICTION CENTER NORMAN OK
0436 PM CST WED FEB 21 2007

AREAS AFFECTED...WRN CAROLINAS/NRN GA/NRN AL

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 212236Z - 220030Z

A FEW STRONGER STORMS CAPABLE OF PRODUCING MARGINAL HAIL WILL BE
POSSIBLE OVER THE NEXT 1-3 HOURS.

COOLER MID-LEVEL TEMPERATURES ASSOCIATED WITH UPPER SHORT-WAVE
TROUGH HAVE OVERSPREAD A MILD /MID 60S TO NEAR 70/ BOUNDARY
LAYER...YIELDING MARGINAL SURFACE-BASED INSTABILITY.  THOUGH
CESSATION OF DAYTIME HEATING WILL RESULT IN DESTABILIZATION AFTER
SUNSET...MID-LEVEL FLOW NEAR 70 KT AND RESULTANT SPEED SHEAR WILL BE
SUFFICIENT TO MAINTAIN A FEW ORGANIZED UPDRAFTS.

..GOSS.. 02/21/2007

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

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

36597940 35188047 33578387 33478724 34198684 36508131



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