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Mesoscale Discussion 1140
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   MESOSCALE DISCUSSION 1140
   NWS STORM PREDICTION CENTER NORMAN OK
   0225 PM CDT TUE JUN 23 2015

   AREAS AFFECTED...FAR SOUTHEAST OH/WV TO MUCH OF NJ/SOUTHERN PA

   CONCERNING...SEVERE THUNDERSTORM WATCH 342...343...

   VALID 231925Z - 232100Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   342...343...CONTINUES.

   SUMMARY...THE POTENTIAL FOR MAINLY DAMAGING WINDS/SOME SEVERE HAIL
   WILL CONTINUE TO SPREAD EAST-SOUTHEASTWARD THROUGH LATE
   AFTERNOON/EARLY EVENING ACROSS FAR SOUTHEAST OH/MUCH OF WV/WESTERN
   MD AND SOUTHERN PA/PORTIONS OF NJ. SEVERE THUNDERSTORM WATCHES
   342/343 CONTINUE UNTIL 23Z/02Z RESPECTIVELY.

   DISCUSSION...STORMS CONTINUE TO STEADILY INCREASE IN
   COVERAGE/INTENSITY PARTICULARLY ACROSS SOUTHWEST/SOUTH-CENTRAL PA
   AND SOUTHEAST OH AND WESTERN/NORTHERN WV INTO FAR WESTERN MD AS OF
   315 PM EDT/1915Z. AHEAD OF A COLD FRONT...A FAVORABLE COLLOCATION OF
   MODERATELY STRONG BUOYANCY /2000+ J PER KG MLCAPE/ AND
   STRONG/LARGELY UNIDIRECTIONAL WEST-SOUTHWESTERLY DEEP-LAYER WINDS
   WILL CONTINUE TO YIELD SUSTAINED MULTICELLS/EVOLVING LINE SEGMENTS
   AND POSSIBLY A FEW TRANSIENT/SPLITTING SUPERCELLS. DAMAGING
   WINDS/SOME SEVERE HAIL WILL REMAIN CONCERNS THROUGH LATE
   AFTERNOON/EARLY EVENING AS STORMS CONTINUE TO SPREAD
   EAST-SOUTHEASTWARD ACROSS THE REGION.

   ..GUYER.. 06/23/2015


   ATTN...WFO...OKX...PHI...CTP...LWX...RNK...PBZ...RLX...JKL...
   ILN...

   LAT...LON   39278253 39908177 40427960 40727702 40627446 39487408
               39647551 39677828 38757967 37448184 38098316 39278253 

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Page last modified: June 23, 2015
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