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Mesoscale Discussion 1457
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   MESOSCALE DISCUSSION 1457
   NWS STORM PREDICTION CENTER NORMAN OK
   0825 PM CDT THU JUN 30 2011
   
   AREAS AFFECTED...PARTS OF CO/SERN WY/SWRN SD/WRN NEB
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 577...
   
   VALID 010125Z - 010330Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 577
   CONTINUES.
   
   SCATTERED STORMS AND ASSOCIATED SEVERE THREAT CONTINUES ACROSS
   PORTIONS OF WW 577 AND 578...WITH STRONGEST CELLS ONGOING ATTM
   ACROSS WRN NEB AND ADJACENT SWRN PORTIONS OF SD.  A GUST FRONT IS
   NOW OBSERVED SURGING AHEAD OF THIS LINE PER LATEST RADAR DATA...AS
   STORMS ENCOUNTER STRONGER CAPPING WITH EWD EXTENT.  STILL...THESE
   STORMS REMAIN CAPABLE OF PRODUCING DAMAGING WIND GUSTS AS WELL AS
   HAIL AS THEY CONTINUE SHIFTING NEWD.
   
   THREAT REMAINS MORE ISOLATED FARTHER SW INTO CO...AHEAD OF THE UPPER
   LOW NOW CROSSING WRN CO.  HOWEVER...WITH STRONG FLOW ALOFT
   ACCOMPANYING THIS FEATURE...DOWNWARD TRANSPORT OF STRONG/DAMAGING
   WINDS TO THE SURFACE REMAINS POSSIBLE WITH ANY STRONGER STORM.
   
   ..GOSS.. 07/01/2011
   
   
   ATTN...WFO...LBF...UNR...GLD...PUB...BOU...CYS...GJT...
   
   LAT...LON   38580652 40020692 41780501 42580418 43680329 43830118
               40730025 40210217 38310342 38340543 38580652 
   
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Page last modified: July 01, 2011
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