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Mesoscale Discussion 912
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   Mesoscale Discussion 0912
   NWS Storm Prediction Center Norman OK
   0916 PM CDT Sun May 28 2017

   Areas affected...LA...Western MS

   Concerning...Severe Thunderstorm Watch 296...

   Valid 290216Z - 290315Z

   The severe weather threat for Severe Thunderstorm Watch 296
   continues.

   SUMMARY...Severe threat will shift south across WW296 over the next
   few hours.

   DISCUSSION...Slowly expanding MCS has propagated across the northern
   half of LA and the leading edge of this complex will soon shift east
   of the MS River.  This leading edge is oriented perpendicular to the
   mean flow aloft which could enhance damaging wind potential as it
   moves east, though instability is considerably weaker across MS than
   LA.  Trailing convection across central/western portions of the
   watch has now been undercut by outflow and marginally severe hail
   seems the primary threat with this elevated activity.

   ..Darrow.. 05/29/2017

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

   ATTN...WFO...JAN...LIX...LCH...SHV...HGX...

   LAT...LON   31199457 31939113 30629113 29889457 31199457 

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