SWOMCD
SPC MCD 030512
NJZ000-DEZ000-MDZ000-VAZ000-NCZ000-SCZ000-030645-
MESOSCALE DISCUSSION 2193
NWS STORM PREDICTION CENTER NORMAN OK
1112 PM CST WED DEC 02 2009
AREAS AFFECTED...ERN NC...SE VA...MD...DE
CONCERNING...TORNADO WATCH 791...
VALID 030512Z - 030645Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 791 CONTINUES.
THE ENVIRONMENT ACROSS TORNADO WATCHES 791 AND 793 SHOULD CONTINUE
TO SUPPORT A THREAT FOR DAMAGING WIND GUSTS WITH A TORNADO OR TWO
POSSIBLE. ALTHOUGH THE SEVERE THREAT SHOULD PERSIST FOR A FEW MORE
HOURS...THE OVERALL THREAT AREA WILL CONTINUE TO DECREASE FROM WEST
TO EAST ACROSS THE WATCHES.
OVER THE LAST HOUR...OBJECTIVE ANALYSIS HAS SHOWN DECREASING
INSTABILITY ACROSS ERN NC. THIS IS LIKELY DUE TO OVERTURNING OF THE
AIRMASS AS STORM COVERAGE HAS BECOME NUMEROUS ACROSS THE PAMLICO
SOUND AREA. IN SPITE OF THIS...SEVERAL ROTATING STORMS ARE STILL
ONGOING IN FAR ERN NC WHERE WSR-88 VWPS ARE SAMPLING THE IMPRESSIVE
LOW-LEVEL SHEAR ENVIRONMENT. ALTHOUGH THE SEVERE THREAT SHOULD BEGIN
TO DIMINISH ACROSS ERN NC AFTER 06Z...ISOLATED ROTATING STORMS WILL
BE STILL BE POSSIBLE ESPECIALLY NWD ACROSS SE VA INTO MD AND DE. AN
ISOLATED TORNADO THREAT SHOULD EXPAND NWD ACROSS ERN PARTS OF WW
793.
..BROYLES.. 12/03/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...PHI...AKQ...MHX...LWX...RAH...ILM...RNK...CHS...
LAT...LON 32907898 33317987 34607899 34757907 34497938 34757985
35297940 35527973 35957962 35997944 36307934 36347892
36737885 37217846 37527836 37647793 38047785 38167745
38057729 38087703 38017679 38787645 39587531 39737460
39337418 38737417 37507497 36897539 35997506 34967506
34637575 34177616 34167684 34157703 33797744 33467770
33367812 33257858 32917881 32907898
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