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Mesoscale Discussion 216
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MD 216 graphic

   Mesoscale Discussion 0216
   NWS Storm Prediction Center Norman OK
   0222 AM CDT Fri Mar 20 2020

   Areas affected...portions of western TN...western and central
   KY...southern IN and southwest OH

   Concerning...Tornado Watch 59...

   Valid 200722Z - 200845Z

   The severe weather threat for Tornado Watch 59 continues.

   SUMMARY...Convection may sporadically intensify through the early
   morning hours. Strong, locally damaging gusts will be the main
   concern, though a tornado cannot be ruled out in the short-term.

   DISCUSSION...Thunderstorm clusters across western TN, western KY and
   southern IN have periodically shown increases in intensity with some
   supercell and bowing segment characteristics evident in radar data
   over the past couple of hours. However, intensity has not been
   sustained for long periods of time. The overall environment
   continues to display intense shear with enlarged low level
   hodographs per regional VWP data. Instability remains weak, with
   generally 500 J/kg apparent via 07z mesoanalysis. Surface inhibition
   is likely playing some deleterious role in sustaining more intense
   convection. As a result, a low-end severe threat will likely
   continue through the night/early morning hours across portions of
   southern IN, western/central KY into western and middle TN, but will
   be too sporadic to warrant a new downstream watch, though in the
   short-term, local extension of WW 59 are possible.

   ..Leitman.. 03/20/2020

   ...Please see for graphic product...


   LAT...LON   36308939 38788681 39818519 40068433 39918366 39558358
               38828397 37588523 37258559 36338664 35998717 35198851
               35228916 35368953 35718967 36308939 

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