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MESOSCALE DISCUSSION 0353
NWS STORM PREDICTION CENTER NORMAN OK
0634 PM CST TUE MAR 04 2008
AREAS AFFECTED...WV...MD PANHANDLE...EXTREME SRN PA
CONCERNING...SEVERE THUNDERSTORM WATCH 97...99...
VALID 050034Z - 050130Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
97...99...CONTINUES.
DURING THE LAST HOUR OR SO CONVECTION HAS INTENSIFIED ALONG COLD
FRONT ACROSS WV. THIS ACTIVITY HAS EVOLVED INTO A WELL DEFINED
SQUALL LINE IMMEDIATELY AHEAD OF DEEPENING SFC LOW POSITIONED ALONG
THE OH/WV BORDER...JUST SOUTH OF PKB. ALTHOUGH AIRMASS IS ONLY
WEAKLY UNSTABLE SOUTH OF THE WARM FRONT...VERY STRONG AND FOCUSED
ASCENT WILL AID THIS ACTIVITY AS IT SPREADS NEWD ACROSS THE
REMAINDER OF WV INTO THE MD PANHANDLE AND POSSIBLY SRN PA. LATEST
SPEED/MOVEMENT SUGGESTS NRN PORTIONS OF THE SQUALL LINE...WHERE
LARGE SCALE BOWING IS BEGINNING TO DEVELOP...WILL RACE NEWD AT
40-45KT. THERE IS SOME CONCERN LOCALLY DAMAGING WINDS WILL
ACCOMPANY THESE STORMS AS THEY CREST THE SPINE OF THE APPALACHIANS.
..DARROW.. 03/05/2008
ATTN...WFO...CTP...LWX...RNK...PBZ...RLX...
39518068 40027945 39777817 38787838 37998049
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