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Mesoscale Discussion 1377
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MD 1377 graphic

   Mesoscale Discussion 1377
   NWS Storm Prediction Center Norman OK
   1003 AM CDT Fri Jul 21 2017

   Areas affected...much of WV

   Concerning...Severe potential...Watch unlikely 

   Valid 211503Z - 211600Z

   Probability of Watch Issuance...5 percent

   SUMMARY...Isolated strong/near severe wind gusts will be possible
   with a southeastward-moving complex of thunderstorms.  A watch is
   not anticipated.

   DISCUSSION...A complex of thunderstorms, with origins over eastern
   Iowa Thursday evening, was moving southeast at around 30 kts over
   southern/southeast Ohio and entering western portions of West
   Virginia at 1500Z.  Downstream, filtered diurnal heating will
   maintain a corridor of moderate surface-based buoyancy.  Weak
   deep-layer shear should limit the longevity of this convective
   system in agreement with latest high-resolution guidance, however in
   the short term at least some potential will exist for isolated
   strong/near severe gusts over the next couple of hours.  The overall
   severe risk should remain isolated and a watch is not anticipated.

   ..Bunting/Dial.. 07/21/2017

   ...Please see for graphic product...


   LAT...LON   38168205 38418239 38758229 39218197 39508183 39648149
               39598090 39458038 39248015 38948011 38578047 37968105
               37928167 38168205 

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