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Mesoscale Discussion 212
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   Mesoscale Discussion 0212
   NWS Storm Prediction Center Norman OK
   0326 PM CST Sat Feb 25 2017

   Areas affected...Eastern Virginia across the Delmarva

   Concerning...Severe Thunderstorm Watch 39...

   Valid 252126Z - 252300Z

   The severe weather threat for Severe Thunderstorm Watch 39

   SUMMARY...Severe storms with hail, localized wind damage and perhaps
   an isolated/weak tornado remain possible this afternoon.

   DISCUSSION...A cold front continues to push rapidly eastward across
   PA and NY, with a slightly slower motion across MD and VA. Storms
   associated with northern areas of the front have congealed into a
   squall line, but still with embedded stronger cores. Some cells even
   show signs of strong rotation at times, and thus a brief tornado may
   still occur in these areas where effective SRH is 200-300 m2/s2.

   Farther south across MD and VA, supercells have been producing
   mainly large hail, and storms remain discrete. A hail and localized
   wind threat should persist for a few more hours until storms move

   ..Jewell.. 02/25/2017


   LAT...LON   37097545 36957640 36517693 36537868 37487744 38117702
               39387637 40137624 40567608 40627558 40467499 39957466
               39367471 37097545 

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