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Mesoscale Discussion 1749
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   MESOSCALE DISCUSSION 1749
   NWS STORM PREDICTION CENTER NORMAN OK
   0725 PM CDT SAT SEP 20 2014

   AREAS AFFECTED...SERN MN...NERN IA...SWRN WI

   CONCERNING...SEVERE THUNDERSTORM WATCH 506...

   VALID 210025Z - 210130Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 506
   CONTINUES.

   SUMMARY...SEVERE THREAT IS SHIFTING SOUTHEAST ACROSS WW506.

   DISCUSSION...EXIT REGION OF STRONG MID-LEVEL SPEED MAX IS
   TRANSLATING SEWD ACROSS THE UPPER MS VALLEY TOWARD THE UPPER GREAT
   LAKES.  STRONGEST CONVECTION REMAINS FOCUSED IMMEDIATELY AHEAD OF
   DIGGING VORT WHERE A LONG-LIVED SUPERCELL IS NOW MOVING INTO NRN
   HOWARD COUNTY IA. THIS ACTIVITY IS MOVING QUICKLY SEWD AT ROUGHLY
   40-45KT AND SHOULD TRACK ACROSS EXTREME NERN IA BEFORE MOVING INTO
   SWRN WI...MOST LIKELY NEAR CRAWFORD COUNTY.  HAIL AND GUSTY WINDS
   ARE EXPECTED WITH THIS FAST-MOVING CONVECTION.

   ..DARROW.. 09/21/2014


   ATTN...WFO...GRB...ARX...MPX...DMX...

   LAT...LON   42889458 44749288 44748961 42879138 42889458 

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Page last modified: September 21, 2014
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