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Mesoscale Discussion 875
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   Mesoscale Discussion 0875
   NWS Storm Prediction Center Norman OK
   0556 PM CDT Sat May 27 2017

   Areas affected...west-central and central MO

   Concerning...Tornado Watch 275...

   Valid 272256Z - 280000Z

   The severe weather threat for Tornado Watch 275 continues.

   SUMMARY...Elevated thunderstorms potentially capable of a large hail
   threat may prompt a new severe thunderstorm watch and replace
   portions of Tornado Watch 275 which is set to expire at 7PM CDT. 
   The probability for a new severe thunderstorm watch is 50 percent.

   DISCUSSION...Radar mosaic shows a cluster of thunderstorms across
   central MO in wake of a bow echo located over far southeastern MO. 
   Surface conditions across central MO have cooled into the middle 60s
   degrees F temperatures with lower 60s degrees F dewpoints.  Yet,
   steep lapse rates advecting eastward from the west will likely
   maintain elevated instability and the risk for strong/severe storms
   capable of mainly a large hail risk.  Convective trends will be
   monitored through 630PM CDT with a new severe thunderstorm watch
   decision likely by 645PM CDT.

   ..Smith.. 05/27/2017

   ...Please see for graphic product...


   LAT...LON   39029421 39219263 38629148 37789129 37459160 37649352

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