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Mesoscale Discussion 1078
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   MESOSCALE DISCUSSION 1078
   NWS STORM PREDICTION CENTER NORMAN OK
   1028 PM CDT WED JUN 18 2014

   AREAS AFFECTED...SW AND CNTRL NEB

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 190328Z - 190430Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...A SEVERE THREAT IS EXPECTED TO CONTINUE FROM SW NEB
   EXTENDING NEWD INTO CNTRL NEB OVER THE NEXT FEW HOURS. WW ISSUANCE
   WILL LIKELY BE NEEDED ACROSS THE REGION SOON.

   DISCUSSION...CONVECTIVE CLUSTER...CURRENTLY JUST SOUTH OF JULESBURG
   CO IS EXPECTED TO CONTINUE FOR SEVERAL MORE HOURS AS IT ENCOUNTERS
   GREATER INSTABILITY TO THE EAST ACROSS WRN AND CNTRL NEB. THE 01Z
   HRRR MODEL SUGGESTS THAT THIS CLUSTER WILL CONTINUE TO EXPAND IN
   COVERAGE ACROSS THE NORTH PLATTE VCNTY...EVENTUALLY REACHING THE
   NORFOLK AREA LATER TONIGHT. MODERATE TO STRONG INSTABILITY...40 TO
   50 KT OF DEEP-LAYER SHEAR AND STEEP LAPSE RATES WILL CONTINUE TO
   SUPPORT A SEVERE THREAT. LARGE HAIL AND WIND DAMAGE ARE EXPECTED TO
   BE THE PRIMARY THREATS. THE WIND-DAMAGE THREAT MAY BECOME LOCALLY
   ENHANCED WITH CELL MERGERS.

   ..BROYLES/EDWARDS.. 06/19/2014


   ATTN...WFO...OAX...GID...LBF...GLD...BOU...CYS...

   LAT...LON   41110265 40170237 40400052 41359788 42539905 41110265 

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Page last modified: June 19, 2014
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