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Mesoscale Discussion 1164
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   MESOSCALE DISCUSSION 1164
   NWS STORM PREDICTION CENTER NORMAN OK
   0749 PM CDT WED JUN 24 2015

   AREAS AFFECTED...S-CNTRL IA...NRN MO

   CONCERNING...TORNADO WATCH 349...

   VALID 250049Z - 250245Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 349 CONTINUES.

   SUMMARY...RISKS FOR ALL SEVERE HAZARDS WILL PERSIST INTO LATE
   EVENING WITH SUPERCELLS EMBEDDED WITHIN A DEVELOPING MCS. ACTIVITY
   SHOULD EVOLVE S/E WITH DOWNSTREAM WW ISSUANCE BECOMING LIKELY FOR
   PARTS OF N-CNTRL/NERN MO AND SE IA.

   DISCUSSION...AN MCS WITH EMBEDDED SUPERCELLS WAS ALONG AND JUST S OF
   THE I-80 CORRIDOR IN W-CNTRL/S-CNTRL IA AS OF 0045Z. ALL SEVERE
   HAZARDS ARE POSSIBLE WITH THIS ACTIVITY...WITH THE TORNADO THREAT
   RELATIVELY HIGHEST ALONG THE SWRN FLANK WHERE UPSTREAM PRECIPITATION
   WILL HAVE LESS EFFECT ON DISRUPTING LOW-LEVEL MESOCYCLONES GIVEN THE
   CLUSTER CONVECTIVE MODE. OTHERWISE...LARGE HAIL AND SIGNIFICANT
   SEVERE WIND GUSTS MAY OCCUR GIVEN VERY LARGE BUOYANCY IN MODIFIED
   00Z OAX RAOB.

   THIS ACTIVITY SHOULD AERIALLY EXPAND IN COVERAGE THROUGH LATE
   EVENING AS A SWLY-ORIENTED LLJ STRENGTHENS. A DEEPENING MCS COLD
   POOL SHOULD RESULT IN CONVECTION LARGELY TRACKING SEWD BETWEEN THE
   FRONT/OUTFLOW BOUNDARIES INTO PARTS OF NERN MO/SERN IA BY MIDNIGHT.

   ..GRAMS/KERR.. 06/25/2015


   ATTN...WFO...LSX...DVN...DMX...EAX...OAX...

   LAT...LON   41829519 41819430 41729381 41449293 41419243 41339177
               41029124 40569127 40169170 40049203 39999266 40049322
               40179386 40409446 40699495 41169529 41539540 41829519 

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Page last modified: June 25, 2015
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