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Mesoscale Discussion 956
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   MESOSCALE DISCUSSION 0956
   NWS STORM PREDICTION CENTER NORMAN OK
   0326 PM CDT TUE JUN 09 2015

   AREAS AFFECTED...PORTIONS OF VT...NH...MA...AND CT

   CONCERNING...SEVERE THUNDERSTORM WATCH 280...

   VALID 092026Z - 092200Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 280
   CONTINUES.

   SUMMARY...A BROKEN LINE OF THUNDERSTORMS WILL CONTINUE MOVING EWD
   ACROSS WW 280...POSING MAINLY A RISK FOR OCCASIONAL DAMAGING WINDS
   FOR THE NEXT SEVERAL HOURS.

   DISCUSSION...LATEST RADAR TRENDS SHOW SEVERAL BANDS OF THUNDERSTORMS
   MOVING EWD ACROSS THE MCD AREA. MLCAPE REMAINS MODEST...GENERALLY IN
   THE 250-500 J/KG RANGE PER RAP MESOANALYSIS...MAINLY OWING TO POOR
   MID-LEVEL LAPSE RATES AND LIMITED DESTABILIZATION DOWNSTREAM OF
   CURRENT CONVECTION. STRONG LOW TO MID-LEVEL FLOW ASSOCIATED WITH AN
   UPPER TROUGH PASSING OVERHEAD IS DEPICTED ON THE KENX VWP...WITH
   EFFECTIVE BULK SHEAR OF 35-40 KT SUPPORTING SEMI-ORGANIZED BOWING
   CLUSTERS CAPABLE OF PRODUCING STRONG WIND GUSTS OCCASIONALLY
   APPROACHING SEVERE LEVELS. A SLIGHTLY BETTER THERMODYNAMIC
   ENVIRONMENT ACROSS SRN PORTIONS OF WW 280...WHERE SFC TEMPERATURES
   ARE GENERALLY IN THE MID TO UPPER 70S...MAY SUPPORT A SLIGHTLY
   GREATER WIND THREAT ACROSS SRN VT/NH...WRN/CNTRL MA...AND NRN CT IN
   THE SHORT-TERM.

   ..GLEASON.. 06/09/2015


   ATTN...WFO...GYX...BOX...BTV...OKX...ALY...

   LAT...LON   41477330 41427340 41487344 41667351 42087351 44047344
               44557336 44707325 44637228 45057171 45307130 45307127
               45307108 45307108 45257108 44847104 44827104 44757104
               43547094 42737123 41607155 41387300 41477330 

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Page last modified: June 09, 2015
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