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Mesoscale Discussion 399
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   MESOSCALE DISCUSSION 0399
   NWS STORM PREDICTION CENTER NORMAN OK
   0723 PM CDT THU APR 24 2014

   AREAS AFFECTED...SCNTRL MO

   CONCERNING...SEVERE THUNDERSTORM WATCH 89...

   VALID 250023Z - 250130Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 89
   CONTINUES.

   SUMMARY...SEVERE THREAT ACROSS REMAINING PORTION OF WW 89 IS
   BECOMING MORE MARGINAL WITH TIME...AND ANOTHER WW IS NOT
   ANTICIPATED. WW 89 MAY BE CANCELLED BEFORE ITS EXPIRATION TIME OF
   03Z.

   DISCUSSION...CLUSTER OF THUNDERSTORMS PERSISTS OVER SCNTRL MO IN
   PROXIMITY TO A PROGRESSIVE VORTICITY MAXIMUM. A VERY MARGINAL SEVERE
   THREAT MAY CONTINUE UNTIL AROUND 01Z WITH THIS ACTIVITY AS IT
   ADVANCES EAST. HOWEVER...THE DOWNSTREAM BOUNDARY LAYER HAS BEEN
   STABILIZED BY PREVIOUS CONVECTION WHICH ALONG WITH ONSET OF
   NOCTURNAL COOLING SHOULD LIMIT ANY FUTURE SEVERE THREAT.

   ..DIAL.. 04/25/2014


   ATTN...WFO...LSX...SGF...

   LAT...LON   36639242 37149240 37469163 37349113 36579148 36639242 

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Page last modified: April 25, 2014
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