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Mesoscale Discussion 2234
MD 2234 graphic
   
   MESOSCALE DISCUSSION 2234
   NWS STORM PREDICTION CENTER NORMAN OK
   0233 PM CDT FRI SEP 17 2004
   
   AREAS AFFECTED...EXTREME ERN WV PANHANDLE...MD AND EXTREME SRN PA
   
   CONCERNING...SEVERE THUNDERSTORM POTENTIAL 
   
   VALID 171933Z - 172130Z
   
   THREAT OF ISOLATED TORNADOES IS EXPECTED TO SPREAD A LITTLE FARTHER
   NWD INTO THE EARLY EVENING. TORNADO WATCH WILL BE ISSUED SHORTLY FOR
   EXTREME ERN WV PANHANDLE...NRN MD...AND POSSIBLY EXTREME SRN PA. 
   
   THIS AFTERNOON...A SURFACE BOUNDARY WAS LOCATED FROM MD EWD INTO DE.
   THE ATMOSPHERE IS DESTABILIZING NWD AS THE BOUNDARY CONTINUES TO
   RETREAT. AREA OF ASCENT ASSOCIATED WITH NEGATIVELY TILTED SHORTWAVE
   TROUGH OVER NC AND VA WILL SPREAD NEWD...CONTRIBUTING TO ADDITIONAL
   CONVECTIVE DEVELOPMENT NWD WITH TIME. CURRENT PRESSURE FALL
   TENDENCIES REFLECT THESE TRENDS WITH AREA OF MAXIMUM FALLS CURRENTLY
   LIFTING NNEWD THROUGH CNTRL VA.
   
   ..DIAL.. 09/17/2004
   
   
   ATTN...WFO...PHI...CTP...LWX...
   
   38957656 39367794 39917764 40137636 39777580 
   
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