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Mesoscale Discussion 1096
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   Mesoscale Discussion 1096
   NWS Storm Prediction Center Norman OK
   0446 PM CDT Fri Jun 25 2021

   Areas affected...central Missouri to central Illinois

   Concerning...Severe potential...Severe Thunderstorm Watch likely 

   Valid 252146Z - 252245Z

   Probability of Watch Issuance...80 percent

   SUMMARY...Severe thunderstorm watch appears warranted to account for
   expected upscale convective growth over the next several hours.

   DISCUSSION...Despite earlier MCS that spread across the Midwest,
   rapid air mass destabilization is occurring just southwest of the
   STL area. Further destabilization is expected downstream across
   central IL over the next few hours which should contribute to robust
   convection. Latest satellite imagery exhibits a line of deepening
   cumulus, with some showers, from near SPI to north of CMI.
   Thunderstorms will likely evolve along this corridor soon.
   Additionally, larger cluster of strong/severe storms should
   propagate across central into eastern MO with a threat for
   hail/wind. WW will likely be issued soon.

   ..Darrow/Grams.. 06/25/2021

   ...Please see for graphic product...


   LAT...LON   39549270 40748829 39388781 38439003 38169268 39549270 

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