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Mesoscale Discussion 1177
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   Mesoscale Discussion 1177
   NWS Storm Prediction Center Norman OK
   0720 PM CDT Wed Jun 28 2017

   Areas affected...portions of west-central Wisconsin and southeastern
   Minnesota

   Concerning...Tornado Watch 376...

   Valid 290020Z - 290215Z

   The severe weather threat for Tornado Watch 376 continues.

   SUMMARY...The severe-weather threat across Tornado Watch 376 remains
   across the southern half of the watch over the next few hours.

   DISCUSSION...Earlier storms and precipitation have stabilized the
   environment over the northern portion of the watch while severe
   storms (some with supercell characteristics) are continuing to
   develop and move southeastward across the southern portion of the
   watch.  There is a narrow corridor of clear skies ahead of these
   storms across far southeastern Minnesota, which should continue to
   support severe storms.  Farther to the south and east, precipitation
   and cloud cover from ongoing storms have modified the environment,
   making it less favorable for supporting severe storms.  In addition,
   loss of diurnal heating will contribute to the eventual weakening of
   surface-based storms over the next couple of hours.

   ..Jirak.. 06/29/2017

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...GRB...DLH...ARX...MPX...

   LAT...LON   45799316 45799092 43888995 43869212 45799316 

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Page last modified: June 29, 2017
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