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Mesoscale Discussion 937
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   Mesoscale Discussion 0937
   NWS Storm Prediction Center Norman OK
   0357 PM CDT Fri May 24 2024

   Areas affected...portions of eastern Missouri into Illinois

   Concerning...Severe Thunderstorm Watch 302...

   Valid 242057Z - 242230Z

   The severe weather threat for Severe Thunderstorm Watch 302
   continues.

   SUMMARY...Ongoing clusters of severe storms should remain capable of
   damaging gusts and hail this afternoon. Additional clustering may
   favor the more southeastern parts of the watch with time, but the
   severe risk continues over much of the area.

   DISCUSSION...As of 2050 UTC, regional radar analysis showed several
   clusters of strong to severe storms ongoing from eastern MO into
   parts of central IL. Concentrated along a remnant outflow boundary
   from prior convection, storm evolution so far has been messy with
   multiple storm interactions. Though a few supercellular structures
   have recently emerged to the southwest. The upscale growth trend is
   expected to continue as the environment remains unstable and
   moderately sheared. Additional storms to the southwest are expected
   to increase in coverage with time and should merge with the already
   ongoing clusters. Eventually, one or more of these clusters may
   evolve into a more organized bow/ MCS as it tracks along the remnant
   outflow across far eastern MO and southwest IL. Given the tendency
   for upscale growth/clustering and moderate buoyancy/shear, damaging
   winds appear likely. Isolated hail will also be possible with the
   more robust cores.

   ..Lyons.. 05/24/2024

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

   ATTN...WFO...PAH...ILX...LSX...DVN...SGF...

   LAT...LON   38339234 39299170 40379041 40459005 40408930 40198877
               39898826 39818821 39608803 39338796 38988795 38688800
               38298818 37948917 38039076 38209171 38229223 38339234 

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