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Mesoscale Discussion 850
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   Mesoscale Discussion 0850
   NWS Storm Prediction Center Norman OK
   0815 PM CDT Fri May 26 2017

   Areas affected...Portions of southeast Wyoming...southwest Nebraska
   and eastern Colorado

   Concerning...Severe Thunderstorm Watch 268...

   Valid 270115Z - 270215Z

   The severe weather threat for Severe Thunderstorm Watch 268
   continues.

   SUMMARY...A short-term continuation of the severe weather threat may
   necessitate a local watch extension in time beyond the scheduled 02z
   expiration of WW 268, however a new watch is not anticipated.

   DISCUSSION...Isolated severe thunderstorms were in progress across
   the watch area at 0115z, with a tornado recently reported in Yuma,
   County CO. Storms posing a more sustained severe threat will be
   moving into recently issued WW 271 by around 02z, however some
   severe risk will likely exist in WW 268 for 1-2 hours beyond 02z as
   modest buoyancy and sufficient effective shear remains in place.
   Thus, a local watch extension in time for portions of WW 268 may be
   needed prior to expiration.

   ..Bunting/Guyer.. 05/27/2017

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

   ATTN...WFO...GLD...PUB...BOU...CYS...

   LAT...LON   40930486 41410479 41520436 41560400 41550339 41000263
               40640233 39840208 38960212 38160208 38040280 38080354
               38190426 39400455 40930486 

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Page last modified: May 27, 2017
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