MESO: Mesoscale Discussion 0267

ACUS11 KWNS 180845
SWOMCD
SPC MCD 180845
NCZ000-VAZ000-180915-

MESOSCALE DISCUSSION 0267
NWS STORM PREDICTION CENTER NORMAN OK
0245 AM CST MON FEB 18 2008

AREAS AFFECTED...FAR NERN NC AND SERN VA

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 180845Z - 180915Z

NEW WW WILL LIKELY BE NEEDED SOON FOR FAR NERN NC INTO PARTS OF SERN
VA.

REGIONAL RADARS INDICATED AN AREA OF STRONG TO SEVERE TSTMS
EXTENDING FROM EAST CENTRAL INTO SERN NC. CURRENT TRACK OF LEADING
ACTIVITY INDICATED THAT THESE STORMS WILL MOVE N OF WW 66 AROUND
10Z.

30-40 KT SSELY LLJ EXTENDING FROM ERN NC INTO SERN VA WILL MAINTAIN
MOISTURE RETURN INTO THIS REGION...WITH SURFACE DEWPOINTS CURRENTLY
IN THE LOWER 60S ACROSS SERN VA/NERN NC. FURTHER STRENGTHENING OF
THE LLJ IS EXPECTED INTO THE EARLY MORNING AS HEIGHTS FALL AHEAD OF
TROUGH MOVING INTO OH/TN VALLEYS. THIS COMBINED WITH STRONG FLOW
ALOFT WILL MAINTAIN EFFECTIVE BULK SHEAR VALUES FOR ORGANIZED
STORMS...WITH LOW LEVEL SHEAR FAVORABLE FOR TORNADOES.

.PETERS.. 02/18/2008

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

ATTN...WFO...AKQ...MHX...RAH...

36177497 36097661 36117713 36507779 37047746 37467658
37387531

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