MESOSCALE DISCUSSION 1166
   NWS STORM PREDICTION CENTER NORMAN OK
   1115 PM CDT FRI JUN 21 2013

   AREAS AFFECTED...SRN MN...WRN WI

   CONCERNING...SEVERE THUNDERSTORM WATCH 338...

   VALID 220415Z - 220515Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 338
   CONTINUES.

   SUMMARY...CONVECTIVE COVERAGE WILL INCREASE ACROSS WW 338 OVER THE
   NEXT 1 TO 2 HOURS. THE STRONGER CELLS COULD HAVE A THREAT FOR WIND
   DAMAGE AND HAIL. A LOCAL EXTENSION OF WW 338 WILL LIKELY BE
   NECESSARY.

   DISCUSSION...STORMS IN SW MN ARE MOVING EWD ALONG A GRADIENT IN
   MODERATE INSTABILITY WITH MLCAPE ESTIMATED IN THE 1000 TO 2000 J/KG
   RANGE. THE CONVECTION IS BEING SUPPORTED BY LARGE-SCALE ASCENT
   ASSOCIATED WITH THE EWD EXTENSION OF A SHORTWAVE TROUGH IN THE
   DAKOTAS. AS LOW-LEVEL FLOW INCREASES OVER THE NEXT FEW HOURS...THE
   STORMS SHOULD BE MAINTAINED EWD ACROSS SERN MN AND POSSIBLY INTO WRN
   WI. ALTHOUGH THE AIRMASS HAS BEEN OVERTURNED...A SEVERE THREAT MAY
   STILL EXIST WITH ISOLATED WIND DAMAGE AND HAIL POSSIBLE.

   ..BROYLES/CARBIN.. 06/22/2013


   ATTN...WFO...GRB...DLH...ARX...MPX...FSD...ABR...

   LAT...LON   43809128 43879424 43529426 43539489 44079486 44119510
               44209508 44219558 44609560 44659647 44799645 44789586
               44909574 45139604 45139524 45409523 45409478 45309478
               45309423 45349413 45429403 45549416 45539349 45719350
               45729286 45639287 45649253 45759252 45699212 45659212
               45649065 45399068 45419003 45129000 45109020 45049020
               45049024 43749030 43729126 43809128