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Mesoscale Discussion 880
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   Mesoscale Discussion 0880
   NWS Storm Prediction Center Norman OK
   0707 PM CDT Sat May 27 2017

   Areas affected...Southern OH...Eastern KY...Western WV

   Concerning...Severe Thunderstorm Watch 277...

   Valid 280007Z - 280130Z

   The severe weather threat for Severe Thunderstorm Watch 277

   SUMMARY...The severe threat continues across WW 277, but a continued
   diminishing trend is expected across all but the far southern
   portion of the watch.

   DISCUSSION...At 00Z, strong to locally severe thunderstorms are
   scattered throughout and just north of WW 277. A recent diminishing
   trend has been noted across the central and northern portion of the
   watch. With diurnal cooling now underway and generally weak midlevel
   flow/effective shear across northeast KY, western WV, and southern
   OH, a continued diminishing trend is expected, though isolated
   instances of hail and damaging wind remain possible in the short

   Meanwhile, for the southwest portion of the watch across southeast
   KY, more intense thunderstorm activity is ongoing on the northeast
   fringe of a large and intense thunderstorm complex covering much of
   KY and northern TN. A more substantial risk of severe hail and wind
   exists in the short term across this area. Recent radar trends
   suggest that a developing bow echo may clip portions of southeast
   KY, which would result in a locally enhanced damaging wind threat in
   the next 1-2 hours.

   ..Dean.. 05/28/2017

   ...Please see for graphic product...


   LAT...LON   36838476 38628360 39158341 39448280 39588154 39498080
               39028034 38648045 38298101 38178193 36798321 36788388

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