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Mesoscale Discussion 1007
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   Mesoscale Discussion 1007
   NWS Storm Prediction Center Norman OK
   1158 PM CDT Mon Jun 12 2017

   Areas affected...Northeast Lower Michigan

   Concerning...Severe Thunderstorm Watch 321...

   Valid 130458Z - 130630Z

   The severe weather threat for Severe Thunderstorm Watch 321

   SUMMARY...The severe-weather threat continues across northeast Lower
   Michigan as a band of storms advances to the east at 40 kt.  The
   severe-weather threat has ended across the northwest part of WW 321
   as storms have moved into northeast Lower Michigan, while farther
   south a more stable environment precluded storms in central parts of
   Lower Michigan.

   DISCUSSION...At 0445Z, mosaic radar imagery indicated a short band
   of storms advancing east across northeast Lower Michigan at 40 kt,
   with this activity expected to move east of the Lake Huron shore
   around 06Z.  These storms will move along an instability gradient
   posing a continued threat for strong/damaging wind gusts.

   ..Peters.. 06/13/2017

   ...Please see for graphic product...


   LAT...LON   43958458 44598491 44968454 45168410 45138322 44548318
               44278323 44078363 43958458 

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