[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 171741
SWOMCD
SPC MCD 171737 
NCZ000-VAZ000-SCZ000-171930-

MESOSCALE DISCUSSION 2233
NWS STORM PREDICTION CENTER NORMAN OK
1237 PM CDT FRI SEP 17 2004

AREAS AFFECTED...NERN SC...CNTRL NC THROUGH S CNTRL VA

CONCERNING...TORNADO WATCH 832...

VALID 171737Z - 171930Z

THREAT OF A FEW TORNADOES IS EXPECTED TO REMAIN HIGH NEXT SEVERAL
HOURS...WITH GREATEST THREAT FROM CNTRL NC NWD THROUGH S CNTRL VA.

EARLY THIS AFTERNOON A LINE OF STORMS WITH EMBEDDED SUPERCELLS
CONTINUES FROM SW VA THROUGH W CNTRL NC. INDIVIDUAL CELLS WITHIN THE
LINE ARE MOVING RAPIDLY NEWD WHILE THE LINE MOVES SLOWLY EAST. THIS
LINE OF STORMS IS ALONG A ZONE OF FORCING FOR ASCENT ASSOCIATED WITH
THE NEWD MOVING...NEGATIVELY TILTED SHORTWAVE TROUGH. THE AREA OF
STRONGEST PRESSURE FALLS CURRENTLY EXISTS FROM N CNTRL NC INTO CNTRL
VA AND IS COLOCATED WITH STRONG SURFACE HEATING AND DESTABILIZATION.
OTHER MORE WIDELY SCATTERED ACTIVITY HAS ALSO BEEN INCREASING AHEAD
OF THE LINE. STORMS WILL LIKELY MAINTAIN OR INCREASE THEIR INTENSITY
WITHIN THE STRONGLY SHEARED ENVIRONMENT NEXT FEW HOURS...SUSTAINING
THE TORNADO THREAT.

..DIAL.. 09/17/2004

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

ATTN...WFO...AKQ...MHX...RAH...ILM...RNK...

33797956 35417991 37078006 37507890 37027769 35367755
34007819 

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