791 
ACUS11 KWNS 091956
SWOMCD
SPC MCD 091955 
VAZ000-NCZ000-MDZ000-WVZ000-092200-

MESOSCALE DISCUSSION 0880
NWS STORM PREDICTION CENTER NORMAN OK
0255 PM CDT FRI MAY 09 2003

AREAS AFFECTED...SERN WV...SRN VA AND NRN NC

CONCERNING...TORNADO WATCH 317...

VALID 091955Z - 092200Z

PAIR OF SUPERCELLS...ONE OVER BEDFORD COUNTY AND THE OTHER OVER
AMELIA COUNTY AT 09/20Z WILL CONTINUE TO MOVE SEWD FROM 30 TO 40 KTS
THROUGH 09/21Z. THESE STORMS MOTIONS WILL CONTINUE TO AUGMENT LOW
LEVEL SHEAR/HELICITY PROVIDING FOR A CONTINUED TORNADO
THREAT...ESPECIALLY OVER SERN VA WHERE A SURFACE BOUNDARY WILL AID
IN BACKED LOW LEVEL WINDS. CURRENT STORM MOTIONS WILL TAKE THESE
SUPERCELLS TO THE EDGE OF WW 317 BY 09/21Z. AIRMASS FARTHER SOUTH OF
WW 317 REMAINS MODERATELY UNSTABLE...AND WILL SUPPORT A CONTINUED
SEVERE THREAT SOUTH OF WW 317. STRONGEST LOW LEVEL SHEAR EXTENDS
DOWN INTO NERN NC...AND THUS A CONTINUED TORNADO THREAT SHOULD
PERSIST INTO THIS AREA. FARTHER WEST OVER NCENTRAL NC...ISOLATED
LARGE HAIL/DAMAGING WINDS WILL REMAIN THE PRIMARY THREATS.

A NEW WW WILL BE ISSUED SHORTLY FOR PORTIONS OF CENTRAL/ERN NC. 

..CROSBIE.. 05/09/2003

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

ATTN...WFO...AKQ...MHX...LWX...RAH...RNK...RLX...GSP...

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