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Mesoscale Discussion 1609
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   MESOSCALE DISCUSSION 1609
   NWS STORM PREDICTION CENTER NORMAN OK
   0314 PM CDT TUE AUG 04 2015

   AREAS AFFECTED...EASTERN/NEAR-COASTAL NEW ENGLAND

   CONCERNING...SEVERE THUNDERSTORM WATCH 470...

   VALID 042014Z - 042145Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 470
   CONTINUES.

   SUMMARY...PRIMARILY A SEVERE WIND/HAIL RISK WILL CONTINUE THROUGH
   LATE AFTERNOON MAINLY IN NEAR-COASTAL/EASTERN PARTS OF NEW ENGLAND
   INCLUDING EASTERN MA INTO INTERIOR/EASTERN MAINE.

   DISCUSSION...AHEAD OF A COLD FRONT MOVING INTO WESTERN NEW
   ENGLAND...A NUMBER OF STRONG TO SEVERE THUNDERSTORMS ARE OCCURRING
   AS OF 20Z/4PM EDT WITHIN A MOIST/MODERATELY UNSTABLE CORRIDOR FROM
   EASTERN MA INTO NH AND SOUTHERN/INTERIOR MAINE. THIS INCLUDES A
   TRANSITIONAL HIGH-PRECIP SUPERCELL/BOWING STORM THAT WILL IMPACT THE
   BOSTON METRO AREA IMMINENTLY...WHILE OTHER SEVERE THUNDERSTORMS WILL
   CONTINUE ACROSS COASTAL/INTERIOR/DOWNEAST MAINE THROUGH LATE
   AFTERNOON AND EARLY EVENING WITHIN AN ENVIRONMENT CHARACTERIZED BY
   MODERATE BUOYANCY/STRONG VERTICAL SHEAR.

   ..GUYER.. 08/04/2015


   ATTN...WFO...CAR...GYX...BOX...

   LAT...LON   42047059 42037177 42227264 43847166 46296785 44586752
               43636961 42737051 42047059 

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Page last modified: August 04, 2015
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