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Mesoscale Discussion 1163
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   MESOSCALE DISCUSSION 1163
   NWS STORM PREDICTION CENTER NORMAN OK
   0648 PM CDT THU JUN 26 2014

   AREAS AFFECTED...WESTERN SD/SOUTHEAST WY AND NEB PANHANDLE/NORTHEAST
   CO

   CONCERNING...SEVERE THUNDERSTORM WATCH 358...

   VALID 262348Z - 270115Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 358
   CONTINUES.

   SUMMARY...ISOLATED LARGE HAIL/LOCALLY DAMAGING WIND RISK CONTINUES
   ACROSS SOUTHEAST WY/NORTHEAST CO INTO FAR WESTERN PORTIONS OF SD/NEB
   PANHANDLE THROUGH EARLY/MID-EVENING. SEVERE THUNDERSTORM WATCH 358
   CONTINUES UNTIL 03Z.

   DISCUSSION...MULTIPLE WIDELY SCATTERED CLUSTERS OF STORMS CONTINUE
   TO PROGRESS GENERALLY EASTWARD WITHIN A CORRIDOR ACROSS FAR EASTERN
   WY AND NORTHEAST CO /SOUTHWARD TO THE I-70 VICINITY NORTHWEST OF
   LIMON/ AS OF 2345Z. WHILE MOST ARE NOT PARTICULARLY INTENSE AT THIS
   TIME...GENERAL EASTWARD STORM PERSISTENCE SHOULD OCCUR INTO A
   RELATIVELY MOIST/UNSTABLE AIR MASS /2000+ J PER KG MLCAPE/ ACROSS
   REMAINING PORTIONS OF NORTHEAST CO/NEB PANHANDLE/WESTERN SD. AIDED
   BY DEEPENING SURFACE LOWS ACROSS EAST-CENTRAL WY AND SOUTHEAST
   CO...REGIONAL SURFACE DATA/WSR-88D VWP TRENDS DEPICT A
   BACKING/STRENGTHENING OF LOW-LEVEL WINDS...WITH ASSOCIATED
   RAMIFICATIONS FOR AN INCREASING UPSLOPE COMPONENT/STORM-RELATIVE
   INFLOW AND PROBABLE STORM PERSISTENCE. ALTHOUGH A MID/HIGH-LEVEL
   FLOW WEAKNESS IS APPARENT...LOW-LEVEL VEERING IS CONTRIBUTING TO AS
   MUCH AS 30-40 KT OF EFFECTIVE SHEAR...WHICH WILL ALLOW FOR TRANSIENT
   SUPERCELLS AND A MORE PREVALENT TREND OF SEMI-ORGANIZED LINEAR
   CLUSTERS. THESE STORMS WILL BE CAPABLE OF LOCALLY DAMAGING WINDS AND
   BOUTS OF LARGE HAIL THROUGH EARLY/MID-EVENING.

   ..GUYER.. 06/26/2014


   ATTN...WFO...LBF...UNR...GLD...BOU...CYS...

   LAT...LON   45640382 45680239 43990236 43230228 42680275 41070270
               40760246 39810214 39510294 39650426 40790475 42560481
               43410523 43500393 45640382 

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Page last modified: June 27, 2014
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