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Mesoscale Discussion 1017
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   Mesoscale Discussion 1017
   NWS Storm Prediction Center Norman OK
   1041 PM CDT Fri Jun 26 2020

   Areas affected...Kansas...Southern Nebraska...Southern
   Iowa...Northwest Missouri

   Concerning...Severe Thunderstorm Watch 309...

   Valid 270341Z - 270545Z

   The severe weather threat for Severe Thunderstorm Watch 309

   SUMMARY...Severe threat continues across ww309.

   DISCUSSION...LLJ is beginning to strengthen across the TX Panhandle
   into western KS where it is forecast to approach 40kt over the next
   few hours. This appears to be partly responsible for recent increase
   in convection along/just north of the boundary near HLC.
   Additionally, thunderstorm cluster east of CNK is intensifying with
   a substantial hail signature noted with this slow-moving convection.
   Over the next few hours an extensive, elongated corridor of
   thunderstorms should evolve north of I-70 across KS, extending into
   northern MO. Latest radar data suggests an MCV is beginning to
   evolve with the High Plains convection near IML and this should
   encourage downstream storms north of the boundary as well. Overall,
   a slowly sagging band of storms should drop south with time if a
   sufficient cold pool develops.

   ..Darrow.. 06/27/2020

   ...Please see for graphic product...


   LAT...LON   40260083 40419781 40829593 41099249 40289257 39089659
               38789958 37770191 40260083 

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