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Mesoscale Discussion 17
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   Mesoscale Discussion 0017
   NWS Storm Prediction Center Norman OK
   1134 PM CST Fri Jan 11 2019

   Areas affected...Eastern KS to West-Central IL

   Concerning...Heavy snow 

   Valid 120534Z - 120930Z

   SUMMARY...Heavy snow will focus along a corridor from eastern KS,
   across central MO, into west-central IL. Snow rates will be on the
   order of 1"+ per hour.

   DISCUSSION...Well-defined mid-level circulation has evolved over the
   central Plains along the KS/OK border near Medicine Lodge (KP28).
   Large-scale forcing for ascent appears to be increasing ahead of
   this feature and precipitation is responding accordingly. Over the
   last few hours the corresponding baroclinic leaf is sharpening which
   supports radar trends of an expanding/intensifying shield of heavy
   snow across portions of eastern KS into central MO. It appears a
   corridor of heavy snow (1"+/hr) will establish itself over the next
   few hours from near EMP in KS, downstream just south of the KC
   metro, into west-central IL just north of the St. Louis area. Heavy
   snow will likely continue along this corridor into the post-dawn
   hours.

   ..Darrow.. 01/12/2019

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

   ATTN...WFO...ILX...LSX...SGF...EAX...TOP...ICT...

   LAT...LON   38519602 39339349 39859055 38969025 38119244 37979556
               38519602 

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Page last modified: January 12, 2019
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