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Mesoscale Discussion 1607
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   MESOSCALE DISCUSSION 1607
   NWS STORM PREDICTION CENTER NORMAN OK
   0121 PM CDT TUE AUG 04 2015

   AREAS AFFECTED...FAR EASTERN NY AND MUCH OF NEW ENGLAND

   CONCERNING...SEVERE THUNDERSTORM WATCH 469...

   VALID 041821Z - 041945Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 469
   CONTINUES.

   SUMMARY...SCATTERED STRONG/SEVERE THUNDERSTORMS WILL REMAIN CAPABLE
   OF SEVERE HAIL/DAMAGING WINDS AND POSSIBLY A TORNADO AS THEY
   CONTINUE TO SPREAD EASTWARD ACROSS NEW ENGLAND THIS AFTERNOON.

   DISCUSSION...AS A MID/UPPER-LEVEL SPEED MAX CONTINUES TO SPREAD INTO
   THE REGION...A NUMBER OF STRONG/SEVERE THUNDERSTORMS CONTINUE TO
   DEVELOP/SPREAD EAST-NORTHEASTWARD AHEAD OF A COLD FRONT THIS
   AFTERNOON MAINLY ACROSS PORTIONS OF FAR EAST-CENTRAL NY AND MA/NH
   INTO WESTERN/NORTHERN MAINE. THIS INCLUDES A COUPLE OF
   SUPERCELLS...MOST NOTABLY ONE NORTH OF THE WORCESTER MA AREA AS OF
   18Z/2PM EDT. SPECIAL 18Z/19Z OBSERVED SOUNDINGS FROM GRAY
   MAINE/ALBANY NY SAMPLED AN ENVIRONMENT CHARACTERIZED BY STRONG
   VERTICAL SHEAR /AROUND 50 KT EFFECTIVE/ AND MODERATE
   BUOYANCY...PARTICULARLY ACROSS SOUTHERN/EASTERN NEW ENGLAND. SEVERE
   HAIL/DAMAGING WINDS WILL REMAIN COMMON CONCERNS WITH THE STRONGEST
   STORMS...AND A SUPERCELL TORNADO RISK MAY ALSO EXIST...PARTICULARLY
   ACROSS EASTERN MA AND OTHER NEAR-COASTAL NEW ENGLAND AREAS WHERE
   SOME BACKING OF NEAR-SURFACE WINDS IS NOTED WITHIN A MOIST
   ENVIRONMENT.

   ..GUYER.. 08/04/2015


   ATTN...WFO...CAR...GYX...BOX...BTV...ALY...

   LAT...LON   46326975 46856907 46366773 44366841 43127049 42057124
               41937399 43747349 44747116 46326975 

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Page last modified: August 04, 2015
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