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Mesoscale Discussion 256
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   Mesoscale Discussion 0256
   NWS Storm Prediction Center Norman OK
   0124 PM CDT Thu Mar 25 2021

   Areas affected...much of eastern Mississippi into western Alabama

   Concerning...Tornado Watch 50...

   Valid 251824Z - 252030Z

   The severe weather threat for Tornado Watch 50 continues.

   SUMMARY...Storms are expected to intensify throughout the afternoon,
   with several tornadic supercells possible including the threat of
   strong tornadoes.

   DISCUSSION...Areal coverage of thunderstorms has increased over the
   past 2 hours across central and into eastern MS, where a very moist
   and unstable air mass exists. Low-level winds have veered in the
   wake of the warm advection storms to the northeast, which has
   temporarily reduced SRH and made for straight hodographs. Indeed, a
   few storms have become left movers recently with hail threat.

   However, SRH will increase again over the next several hours as the
   surface low develops to the northwest. This should result in an SRH
   gradient over eastern MS and favorable parameters space for strong
   tornadoes.

   Current thinking is a few cells may consolidate into supercells out
   of the larger area of storms. Additional storms are expected to form
   along the front near the MS River as well. Strong southwest winds
   aloft will bring all storms into an environment favorable for
   tornadoes.

   ..Jewell.. 03/25/2021

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

   ATTN...WFO...BMX...HUN...MOB...MEG...JAN...

   LAT...LON   34188715 33478747 32978769 32538797 32008835 31728872
               31638993 33078933 33158932 33948915 34388913 34828862
               34928804 34898736 34708702 34378707 34188715 

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Page last modified: March 25, 2021
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