MESOSCALE DISCUSSION 1007 NWS STORM PREDICTION CENTER NORMAN OK 0235 PM CDT FRI JUN 01 2012 AREAS AFFECTED...SRN PA...WRN MD...ERN WV...WRN VA...NWRN NC CONCERNING...TORNADO WATCH 332... VALID 011935Z - 012030Z THE SEVERE WEATHER THREAT FOR TORNADO WATCH 332 CONTINUES. SUMMARY...COLD FRONT WILL SPREAD INTO THE WRN PORTIONS OF WW 332 SHORTLY WITH AN INCREASED RISK FOR SEVERE TSTMS. PRE-FRONTAL ISOLATED SUPERCELLS SHOULD LINGER ALONG ERN EDGE OF WW 332. DISCUSSION...FRONTAL CONVECTION IS PROGRESSING EWD AT ROUGHLY 25-30KT AND IS CRESTING THE APPALACHIANS AS IT MOVES INTO THE WRN PARTS OF WW 332. THIS ACTIVITY WILL LIKELY INCREASE IN INTENSITY AS IT APPROACHES CNTRL PORTIONS OF THE WATCH DUE TO MORE FAVORABLE THERMODYNAMIC ENVIRONMENT CHARACTERIZED BY 1500-2000 J/KG MUCAPE. GIVEN THE CURRENT SPEED OF THE COLD FRONT IT SHOULD APPROACH THE ERN-MOST PART OF THE WATCH AROUND 23-00Z TIME FRAME. TORNADO THREAT REMAINS HIGHEST WITH PRE-FRONTAL SUPERCELLS. ..DARROW.. 06/01/2012 ATTN...WFO...CTP...LWX...RAH...RNK...PBZ...RLX...GSP...
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