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Mesoscale Discussion 1086
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   Mesoscale Discussion 1086
   NWS Storm Prediction Center Norman OK
   0148 PM CDT Sun Jun 18 2017

   Areas of eastern Arkansas and into western
   Tennessee and northern Mississippi

   Concerning...Severe Thunderstorm Watch 352...

   Valid 181848Z - 182045Z

   The severe weather threat for Severe Thunderstorm Watch 352

   SUMMARY...Local severe risk continues across parts of eastern
   Arkansas; as storms gradually spread across the river into parts of
   western Tennessee and northern Mississippi, local severe risk will
   expand into these areas.

   DISCUSSION...Latest radar loop shows a band of storms continuing to
   move east across eastern Arkansas, through an axis of 3000 J/kg
   mixed-layer CAPE per objective analysis.  While flow aloft remains
   relatively weak downstream, degree of instability and the organizing
   presence of outflow at the leading edge of the convective cold pool
   suggests at least some risk for locally damaging winds east of the
   river.  As such, ww 352 will be locally expanded eastward to cover
   potential wind risk.

   ..Goss.. 06/18/2017

   ...Please see for graphic product...


   LAT...LON   33919097 34049124 34659154 35599120 35998937 35848789
               33598831 33659019 33919097 

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