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Mesoscale Discussion 819
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   MESOSCALE DISCUSSION 0819
   NWS STORM PREDICTION CENTER NORMAN OK
   0541 PM CDT WED JUN 04 2014

   AREAS AFFECTED...WRN NEB/NEB PANHANDLE...NERN CO...NWRN KS...FAR
   SWRN SD

   CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 

   VALID 042241Z - 042345Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...THE SEVERE THUNDERSTORM THREAT IS EXPECTED TO INCREASE
   INTO THE EVENING...WITH A PRIMARY THREAT OF LARGE HAIL AND DAMAGING
   WIND. WW ISSUANCE MAY BE NECESSARY IN THE NEXT 1-2 HRS.

   DISCUSSION...STRONG THUNDERSTORMS ARE ONGOING ACROSS ERN WY/WRN
   SD...WITH OTHER STORMS NOTED ALONG THE FRONT RANGE IN COLORADO.
   WHILE THE STRONGEST ACTIVITY HAS THUS FAR REMAINED NORTH AND WEST OF
   THE NEB PANHANDLE...STRONG TSTMS OVER ERN WY WILL MOVE INTO THE NWRN
   NEB PANHANDLE SHORTLY...WHILE ADDITIONAL STORMS MAY DEVELOP TO THE
   SOUTH...WITH DEVELOPING CU NOTED NEAR BFF. AN UPPER TROUGH MOVING
   INTO WRN WY WILL SUPPORT CONTINUING CONVECTION INTO THE EVENING.
   RELATIVELY MOIST SELY FLOW BENEATH STEEP MIDLEVEL LAPSE RATES WILL
   CONTINUE TO SUPPORT MODERATE INSTABILITY...WHILE DEEP-LAYER SHEAR OF
   40-50 KTS WILL BE SUFFICIENT FOR SUPERCELL STRUCTURES CAPABLE OF
   LARGE HAIL...WITH SOME POSSIBLE UPSCALE GROWTH THIS EVENING INTO
   BOWING SEGMENTS CAPABLE OF LOCALLY ENHANCED DAMAGING WIND. WW
   ISSUANCE MAY BE REQUIRED SOON IN ORDER TO COVER THIS THREAT.

   ..DEAN/CORFIDI.. 06/04/2014


   ATTN...WFO...LBF...UNR...GLD...BOU...CYS...

   LAT...LON   41010365 41280398 41780399 42340403 42740406 42960403
               43170274 43240219 43130174 42940140 42560119 42210116
               41820110 41410113 41170106 40250070 39910091 39750102
               39550155 39580197 39970267 40650335 41010365 

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Page last modified: June 04, 2014
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