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Mesoscale Discussion 1453
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   MESOSCALE DISCUSSION 1453
   NWS STORM PREDICTION CENTER NORMAN OK
   0602 PM CDT FRI JUL 17 2015

   AREAS AFFECTED...ERN ND...WRN MN...SWRN INTO NERN SD...WRN/CNTRL
   NE...AND FAR ERN WY

   CONCERNING...SEVERE THUNDERSTORM WATCH 430...431...

   VALID 172302Z - 180100Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
   430...431...CONTINUES.

   SUMMARY...THREATS FOR LARGE HAIL AND SEVERE WIND GUSTS CONTINUES
   ACROSS WWS 430 AND 431.

   DISCUSSION...CONTINUE WWS 430 AND 431.  SCATTERED THUNDERSTORMS WILL
   CONTINUE TO POSE A THREAT FOR LARGE HAIL AND DAMAGING WIND GUSTS
   ACROSS BOTH WATCH AREAS.  A TORNADO OR TWO REMAINS POSSIBLE IN
   NORTHEASTERN SOUTH DAKOTA...WHERE BACKED LOW-LEVEL FLOW NORTH OF A
   SURFACE LOW IS CONTRIBUTING TO NEARLY 300 M2/S2 0-3KM SRH AT THE
   LATEST WIND PROFILE AT THE WSR-88D IN ABERDEEN.  ANOTHER ISOLATED
   SUPERCELL IS CAPABLE OF PRODUCING SIGNIFICANT HAIL AS IT TRAVERSES
   GARDEN/GRANT COUNTIES IN CENTRAL NEBRASKA OVER THE NEXT HOUR. 
   OBSERVATIONS AND GUIDANCE SUGGEST THAT STORMS ACROSS NEBRASKA MAY
   GROW UPSCALE INTO ONE OR MORE CONVECTIVE COMPLEXES WITH TIME WHILE
   CONTINUING A THREAT FOR LARGE HAIL AND DAMAGING WIND GUSTS.

   ..COOK/MEAD.. 07/17/2015


   ATTN...WFO...MPX...FGF...FSD...ABR...GID...BIS...LBF...UNR...
   GLD...BOU...CYS...

   LAT...LON   47349938 47629888 47689806 47469620 46929568 46129573
               44479651 44069707 43699788 43369857 42639895 41869914
               41179926 40749932 40319958 40050039 40220173 40500308
               41150494 41540530 42140560 42940524 44040375 44390239
               45110106 46189974 46819958 47349938 

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Page last modified: July 18, 2015
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