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Mesoscale Discussion 886
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   Mesoscale Discussion 0886
   NWS Storm Prediction Center Norman OK
   0946 PM CDT Sat May 27 2017

   Areas affected...Southern Appalachians

   Concerning...Severe Thunderstorm Watch 282...

   Valid 280246Z - 280415Z

   The severe weather threat for Severe Thunderstorm Watch 282
   continues.

   SUMMARY...A line of thunderstorms, some severe, will continue to
   move slowly south and east into the overnight. Hail and strong/gusty
   winds will be possible with the strongest thunderstorms.

   DISCUSSION...A quasi-linear convective system has organized across
   portions of eastern Tennessee and northwestern North Carolina. Here,
   most unstable CAPE around 1000 J/kg and deep-layer shear around 50
   knots will continue to support organized thunderstorms. Hail and
   strong/gusty winds will be possible, especially with the strongest
   thunderstorm cores. One potential mitigating factor for a more
   widespread wind potential into the overnight will be the increasing
   surface inhibition and decreasing low-level lapse rates owing to the
   loss of daytime heating.

   ..Marsh.. 05/28/2017

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

   ATTN...WFO...RAH...RNK...GSP...MRX...JKL...FFC...OHX...

   LAT...LON   35208577 36598389 36918189 36648051 36197991 35288022
               34888289 34998582 35208577 

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Page last modified: May 28, 2017
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