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Mesoscale Discussion 895
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   Mesoscale Discussion 0895
   NWS Storm Prediction Center Norman OK
   0459 AM CDT Sun May 28 2017

   Areas affected...portions of northeast Texas eastward to parts of
   northwest and west-central Mississippi

   Concerning...Severe Thunderstorm Watch 289...290...

   Valid 280959Z - 281200Z

   The severe weather threat for Severe Thunderstorm Watch 289, 290
   continues.

   SUMMARY...Marginal/isolated severe risk may persist for another
   couple of hours locally.

   DISCUSSION...Latest radar trends continue to confirm prior
   expectations that storms would gradually diminish in intensity, as
   convective outflow expands southward into a gradually more capped
   boundary-layer airmass.  Storms are now largely undercut by outflow,
   with little sign of new development near the leading edge of the
   density current.  One storm crossing the Bradley County AR vicinity
   -- near the intersection of two outflows -- remains one of the more
   vigorous storms, where gusty winds and hail remain a possibility in
   the short term.  Overall however, expect a continued diminishing
   trend overall with respect to stronger/near-surface-based storms,
   and thus an associated/gradual wane in severe risk through the
   28/12z and 28/13z scheduled expiration times of watches 289 and 290,
   respectively.

   ..Goss.. 05/28/2017

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

   ATTN...WFO...MEG...JAN...LZK...SHV...FWD...

   LAT...LON   32829732 33209742 33519664 33539416 33739332 34159216
               34309048 33379003 32989021 32859322 32829732 

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Page last modified: May 28, 2017
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