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Mesoscale Discussion 930
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   MESOSCALE DISCUSSION 0930
   NWS STORM PREDICTION CENTER NORMAN OK
   0621 PM CDT SUN JUN 07 2015

   AREAS AFFECTED...PORTIONS OF NRN MO...SERN IA...W-CENTRAL IL

   CONCERNING...SEVERE THUNDERSTORM WATCH 269...

   VALID 072321Z - 080045Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 269
   CONTINUES.

   SUMMARY...THE SEVERE WEATHER THREAT WILL CONTINUE ACROSS REMAINING
   VALID PORTIONS OF THE WATCH AREA.

   DISCUSSION...SVR TSTMS CONTINUE IN ADVANCE OF A WEAK COLD
   FRONT...MAINLY ACROSS THE ERN TWO-THIRDS OF THE WW AREA. THE TSTMS
   ARE ALONG THE SRN FRINGE OF STRONGER DEEP-LAYER SHEAR ORIENTED
   GENERALLY PARALLEL TO THE TSTMS. WITH MODERATE/STRONG SFC-BASED
   INSTABILITY IN PLACE...THIS HAS LED TO A MIX OF LINEAR AND
   SEMI-DISCRETE STORM MODES PRODUCING BOTH LARGE HAIL AND OCNL SVR
   GUSTS. STRONGER BOWING SEGMENTS MAY DEVELOP THROUGH 02Z WITH
   CORRIDORS OF MORE CONCENTRATED WIND DAMAGE MAINLY ACROSS NERN
   MO/W-CENTRAL IL.

   MORE ISOLD TSTM DEVELOPMENT CONTINUES ACROSS FAR WRN PORTIONS OF WW
   AREA TO THE E OF KSTJ...WHERE KEAX RADAR AND GOES 1-MIN VIS IMAGERY
   SHOWS A COUPLE SLOWLY INTENSIFYING CELLS. AS WEAK HEIGHT FALLS
   GLANCE THE AREA THIS EVENING...THESE STORMS MAY ALSO INTENSIFY TO
   SVR LEVELS. THIS SCENARIO IS SUPPORTED BY RECENT HIGH-RES GUIDANCE
   INCLUDING THE NCEP-HRRR AND NSSL WRF.

   ..BUNTING.. 06/07/2015


   ATTN...WFO...ILX...LSX...DVN...DMX...EAX...

   LAT...LON   39499207 39449298 39599429 39719496 40129507 40459511
               40569486 40559328 40759273 41069228 41079181 41019118
               40899094 40399088 39939089 39669174 39499207 

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Page last modified: June 08, 2015
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