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Mesoscale Discussion 1175
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   MESOSCALE DISCUSSION 1175
   NWS STORM PREDICTION CENTER NORMAN OK
   0457 PM CDT FRI JUN 27 2014

   AREAS AFFECTED...SD...NE

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 272157Z - 272330Z

   PROBABILITY OF WATCH ISSUANCE...60 PERCENT

   SUMMARY...STRONG TO SEVERE STORMS POSING AN INCREASING CHANCE FOR
   DAMAGING WINDS AND SOME HAIL ARE EXPECTED TO EVOLVE ENEWD FROM THE
   NEB PANHANDLE ACROSS N-CENTRAL NEB AND SWRN AND SRN SD THIS EVENING.
   A SEVERE THUNDERSTORM WATCH MAY BE NEEDED ACROSS THESE AREAS.

   DISCUSSION...A COMPLEX SFC PATTERN EXITS ACROSS THE CENTRAL PLAINS
   LATE THIS AFTERNOON AS A RELATIVELY STRONG AND COMPACT MID-LEVEL
   DISTURBANCE AND ASSOCIATED 30-50KT WIND MAX EJECT NEWD FROM CO/WY.
   WIDESPREAD STRONG TO SEVERE STORMS HAVE BEEN CONSOLIDATING NEAR SFC
   LOW IN NERN CO...AND ALONG INVERTED TROUGH EXTENDING NEWD ACROSS THE
   NEB PANHANDLE. LATEST INDICATIONS ARE THAT THE MASS OF CONVECTION
   WILL SPREAD NEWD INTO MODERATELY UNSTABLE AIRMASS SITUATED ACROSS
   NEB/SD BORDER...SOUTH OF A WEAK WARM FRONT OVER S-CNTRL SD. GIVEN
   CONTINUATION OF LARGE SCALE ASCENT SPREADING ACROSS THE WARM
   SECTOR...AND FAVORABLE ALIGNMENT OF POTENTIAL DEVELOPING CONVECTIVE
   COLD POOL TO THE STRONGER SWLY FLOW ALOFT...EXPECT ORGANIZED
   STORMS...OR A COMPLEX OF STORMS...TO EVOLVE AND SPREAD NEWD ACROSS
   THE REGION. GREATEST THREAT SHOULD BE STRONG TO DAMAGING WINDS BUT
   SHEAR AND INSTABILITY WILL ALSO SUPPORT EMBEDDED SUPERCELLS WITH THE
   CHANCE FOR HAIL AND EVEN AN ISOLATED TORNADO.

   ..CARBIN/MEAD.. 06/27/2014


   ATTN...WFO...FSD...ABR...GID...LBF...UNR...CYS...

   LAT...LON   43490349 41990285 41250007 41769861 42739875 43349884
               44439961 44820036 45060147 44970274 43490349 

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Page last modified: June 27, 2014
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