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Mesoscale Discussion 841
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   MESOSCALE DISCUSSION 0841
   NWS STORM PREDICTION CENTER NORMAN OK
   0435 PM CDT THU JUN 05 2014

   AREAS AFFECTED...ERN NEB...WRN IA...SRN MN

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 052135Z - 052300Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...ISOLATED SEVERE THUNDERSTORMS ARE EXPECTED TO PERSIST
   THROUGH EARLY EVENING...AND A WATCH COULD BE REQUIRED. LARGE HAIL
   AND BRIEF TORNADOES WILL BE POSSIBLE.

   DISCUSSION...STORMS HAVE ERUPTED WITHIN A SHARP N-S ORIENTED SURFACE
   TROUGH...ALSO BENEATH A FAST-MOVING MIDLEVEL SHORTWAVE TROUGH WITH
   COOL POCKET ALOFT HELPING TO DESTABILIZE THE AREA. STORMS CURRENTLY
   RESIDE WITHIN THE SURFACE THETA-E AXIS...BOUNDED TO THE EAST BY
   OUTFLOW-REINFORCED COOL AIR.

   THEREFORE...AS THE UPPER TROUGH SHIFTS E...THERE SHOULD BE A GRADUAL
   DECREASE IN STORM COVERAGE THROUGH EVENING. HOWEVER...SEVERE WEATHER
   IS LIKELY DURING THE NEXT FEW HOURS.

   ..JEWELL/CORFIDI.. 06/05/2014


   ATTN...WFO...MPX...DMX...FSD...OAX...ABR...

   LAT...LON   40879573 40949603 41059654 41369672 43309660 44839642
               45049581 45039495 44639453 43149452 41829460 41169486
               40929546 40879573 

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Page last modified: June 05, 2014
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