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Mesoscale Discussion 1312
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   MESOSCALE DISCUSSION 1312
   NWS STORM PREDICTION CENTER NORMAN OK
   0957 PM CDT SUN JUL 05 2015

   AREAS AFFECTED...NERN NEB...ERN SD...SWRN MN

   CONCERNING...SEVERE THUNDERSTORM WATCH 391...393...

   VALID 060257Z - 060500Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   391...393...CONTINUES.

   SUMMARY...A THREAT OF DAMAGING WINDS AND ISOLATED LARGE HAIL REMAINS
   LIKELY.

   DISCUSSION...A SUBSTANTIAL BOW ECHO CONTINUES TO DEVELOP EWD ACROSS
   S-CNTRL SD AND NRN NEB WITH WELL-DEFINED MESO-LOW NOTED ON RADAR.
   MEANWHILE...A LINE OF STORMS ALONG THE COLD FRONT EXTENDS NEWD FROM
   THE BOW-HEAD ACROSS NERN SD INTO WRN MN. AMPLE MOISTURE AND
   INSTABILITY REMAINS IN PLACE AHEAD OF THIS SYSTEM WHICH SHOULD
   PERSIST FOR SEVERAL HOURS GIVEN AN UNCAPPED AIR MASS AND SLY
   LOW-LEVEL JET.

   S OF THE MAIN BOW...ANOTHER NEWD SURGE OF SEVERE OUTFLOW IS
   CURRENTLY NEAR THE NORTH PLATTE RADAR AND WILL INTERACT WITH THE SRN
   CELLS OF THE BOW. THIS MAY RESULT IN A GENERAL INCREASE IN STORM
   COVERAGE OVER NERN NEB OVER THE NEXT COUPLE HOURS WITH AN EXPANDING
   WIND AND HAIL THREAT.

   ..JEWELL.. 07/06/2015


   ATTN...WFO...MPX...FSD...OAX...ABR...LBF...UNR...

   LAT...LON   42089912 42340006 42590025 42839984 43209947 43479942
               43789973 44799736 45469610 45609568 45289514 43579551
               42699678 42089912 

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Page last modified: July 06, 2015
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