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Mesoscale Discussion 1225
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   Mesoscale Discussion 1225
   NWS Storm Prediction Center Norman OK
   0726 PM CDT Mon Jul 03 2017

   Areas affected...Western/Central OK...Northwest TX

   Concerning...Severe Thunderstorm Watch 392...393...

   Valid 040026Z - 040130Z

   The severe weather threat for Severe Thunderstorm Watch 392, 393
   continues.

   SUMMARY...Strong to severe wind gusts remain likely with an MCS
   moving southeast from northwest OK and the eastern TX Panhandle,
   along with a separate cluster evolving east across northwest TX.

   DISCUSSION...Strong to severe wind gusts of 45-60 kt have been
   common over the past couple hours with an MCS centered over
   northwest OK/eastern TX Panhandle and an additional cluster near the
   I-27 corridor in northwest TX. With 20-25 kt low-level inflow per
   area VWP data that should increase slightly through the evening,
   strong to embedded severe wind gusts should persist for the next few
   hours amid the steep lapse rate (7.5 to 8.5 degree C/km from 700-500
   mb) environment sampled by the 00Z AMA and OUN soundings. The MCS
   and cluster will merge over northwest TX and likely continue
   east-southeast along towards the Red River in OK. Prior to this
   occurring, isolated severe hail is most probable within this region.

   ..Grams.. 07/04/2017

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

   ATTN...WFO...TSA...OUN...LUB...AMA...

   LAT...LON   35880103 35709994 35689872 36059789 36629763 36739716
               36419670 36019645 35689650 35329667 34899740 34129911
               33790016 33670116 33890161 34800149 35480164 35880103 

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Page last modified: July 04, 2017
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