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Mesoscale Discussion 1236
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   MESOSCALE DISCUSSION 1236
   NWS STORM PREDICTION CENTER NORMAN OK
   0725 PM CDT MON JUN 29 2015

   AREAS AFFECTED...PORTIONS OF SOUTHEAST MN INTO SOUTHWEST WI AND
   EXTREME NORTHEAST IA

   CONCERNING...SEVERE THUNDERSTORM WATCH 370...

   VALID 300025Z - 300130Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 370
   CONTINUES.

   SUMMARY...ISOLATED STRONG TO SEVERE THUNDERSTORMS MAY CONTINUE FOR
   ANOTHER 1-3 HOURS. AS SUCH...SEVERE THUNDERSTORM WATCH 370 WILL BE
   EXTENDED.

   DISCUSSION...A GRADUAL WEAKENING TREND HAS BEEN NOTED IN RADAR DATA
   OVER THE LAST HOUR OR SO. THE EXCEPTION IS WITH STORMS JUST NORTH OF
   MSP AND FURTHER SOUTH ALONG THE MS RIVER IN FAR NORTHEAST
   IA/SOUTHWEST WI. 00Z MESOANALYSIS ALONG WITH THE 00Z MPX RAOB
   INDICATE MLCAPE NEAR 1000-1500 J/KG STILL EXISTS WITH STEEP MIDLEVEL
   LAPSE RATES IN PLACE. THIS COULD RESULT IN CURRENT STRONG TO SEVERE
   STORMS TO DIMINISH ONLY SLOWLY. NEW DEVELOPMENT HOWEVER MAY STRUGGLE
   TO INCREASE...ESPECIALLY AS THE UPPER SHORTWAVE IMPULSE SHIFTS
   FURTHER EAST OF THE REGION. PER COLLABORATION WITH WFO MPX AND
   ARX...SEVERE THUNDERSTORM WATCH 370 WILL BE EXTENDED IN SPACE/TIME.

   ..LEITMAN.. 06/30/2015


   ATTN...WFO...MKX...DVN...ARX...MPX...DMX...

   LAT...LON   45649293 44009062 43679036 43219029 42709041 42649106
               42669132 43669396 44239448 44849472 45549458 45859431
               45939368 45649293 

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Page last modified: June 30, 2015
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