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Mesoscale Discussion 1386
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   MESOSCALE DISCUSSION 1386
   NWS STORM PREDICTION CENTER NORMAN OK
   1155 PM CDT SUN JUL 12 2015

   AREAS AFFECTED...MN...IA...WI

   CONCERNING...SEVERE THUNDERSTORM WATCH 407...

   VALID 130455Z - 130630Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 407
   CONTINUES.

   SUMMARY...SPORADIC STRONG TO OCCASIONALLY SEVERE WIND GUSTS TO 50KT
   REMAIN POSSIBLE AS MATURE MCS SPREADS SOUTHEAST ALONG SERN MN/WRN WI
   BORDER LATE TONIGHT.

   DISCUSSION...ABUNDANT INSTABILITY ACROSS SRN MN AND MUCH OF IA
   SHOULD CONTINUE TO FUEL INTENSE STORM UPDRAFTS ALONG THE LEADING
   EDGE OF MATURE COLD POOL SPREADING SEWD AROUND 35KT. IR CLOUD TOP
   CANOPY CONTINUES TO EXPAND WITH LITTLE CHANGE IN COLD TOP TEMPS
   AROUND -70C. SMALL-SCALE CIRCULATIONS ALONG THE LEADING EDGE OF THE
   SQLN...FROM THE WARM FRONT IN SWRN WI WWD ACROSS THE VERY UNSTABLE
   AIRMASS ACROSS SRN MN...MAY BE ASSOCIATED WITH A GREATER
   STRONG/SEVERE WIND POTENTIAL...ESPECIALLY AS STRONGER MID/UPPER FLOW
   AND FORCING MOVE TOWARD THESE AREAS FROM THE WEST OVER THE NEXT FEW
   HOURS.

   ..CARBIN/EDWARDS.. 07/13/2015


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

   LAT...LON   42509043 42509055 42509062 42509063 42569302 43259397
               43509425 44759548 44799548 44849548 44889548 45779513
               45779512 45779505 45779500 45779494 45779484 45779444
               45779444 45779426 45729215 45639068 45389004 43658979
               43638979 42509043 42509043 

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Page last modified: July 13, 2015
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