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Mesoscale Discussion 1479
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   MESOSCALE DISCUSSION 1479
   NWS STORM PREDICTION CENTER NORMAN OK
   0505 AM CDT SUN JUL 19 2015

   AREAS AFFECTED...N-CNTRL/NERN KS

   CONCERNING...SEVERE THUNDERSTORM WATCH 441...

   VALID 191005Z - 191130Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 441
   CONTINUES.

   SUMMARY...STRONG TO LOCALLY SEVERE WIND GUSTS WILL REMAIN POSSIBLE
   FOR A FEW MORE HOURS WITH AN EWD-MOVING CLUSTER OVER N-CNTRL KS.
   DOWNSTREAM WW ISSUANCE IS NOT EXPECTED UNLESS ORGANIZATION
   STRENGTHENS.

   DISCUSSION...OVERALL ORGANIZATIONAL TRENDS HAVE DIMINISHED SINCE
   DISSIPATION OF THE BOOKEND VORTEX RESPONSIBLE FOR SEVERE WIND GUSTS
   A COUPLE HOURS AGO AROUND KHLC. MORE RECENTLY...REFLECTIVITY
   GRADIENTS HAVE ALSO RELAXED...BUT SOME ACCELERATION OF THE CLUSTER
   HAS OCCURRED WITH FORWARD SPEED NOW AROUND 35 KT. WITH MEASURED WIND
   GUSTS AT K9K7 /50 KT/ AND KRSL /45 KT/ DURING THE PAST HOUR...A
   SUFFICIENT COLD POOL PUSH SHOULD EXIST FOR A MARGINALLY SEVERE
   THREAT THROUGH AT LEAST 12Z AS THE CLUSTER LIKELY PROGRESSES ALONG
   THE WEAK FRONTAL ZONE DRAPED ACROSS NERN KS.

   ..GRAMS.. 07/19/2015


   ATTN...WFO...TOP...ICT...GID...

   LAT...LON   39729842 39869805 39919714 39909651 39729603 39449592
               39179615 38999668 38909737 39069786 39439815 39729842 

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Page last modified: July 19, 2015
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