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Mesoscale Discussion 1559
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   MESOSCALE DISCUSSION 1559
   NWS STORM PREDICTION CENTER NORMAN OK
   0349 PM CDT FRI AUG 15 2014

   AREAS AFFECTED...WRN MT

   CONCERNING...SEVERE THUNDERSTORM WATCH 461...

   VALID 152049Z - 152145Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 461
   CONTINUES.

   SUMMARY...ISOLATED STRONG/SEVERE THUNDERSTORMS WILL PERSIST ACROSS
   WW461.  LARGE HAIL AND STRONG WINDS REMAIN THE PRIMARY THREATS.

   DISCUSSION...REMNANT WEAK MCV IS LIFTING NNEWD ACROSS LEWIS AND
   CLARK COUNTY INTO TETON COUNTY MT.  CONVECTION RECENTLY INTENSIFIED
   IMMEDIATELY AHEAD OF THIS MESO-SCALE FEATURE AND LARGE HAIL HAS BEEN
   NOTED WITH THE STRONGEST UPDRAFTS OVER SRN CASCADE COUNTY.  WEAK
   UPSLOPE FLOW SHOULD CONTRIBUTE TO FURTHER DEVELOPMENT ALONG LEADING
   EDGE OF THIS CONVECTIVE CLUSTER OVER THE PLAINS OF NCNTRL MT.

   FARTHER SOUTH...EXPECT CONVECTION TO REMAIN MORE ISOLATED IN NATURE
   AS UPDRAFTS INTENSIFY OVER THE HIGHER TERRAIN OF SRN MT THEN SPREAD
   NEWD TOWARD LOWER ELEVATIONS.  AGAIN...LARGE HAIL IS THE MOST LIKELY
   THREAT.

   ..DARROW.. 08/15/2014


   ATTN...WFO...BYZ...TFX...MSO...

   LAT...LON   45941291 48881268 48881004 45941041 45941291 

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Page last modified: August 15, 2014
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