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Mesoscale Discussion 1500
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   MESOSCALE DISCUSSION 1500
   NWS STORM PREDICTION CENTER NORMAN OK
   0638 PM CDT MON JUL 28 2014

   AREAS AFFECTED...ERN/NRN NEW ENGLAND

   CONCERNING...SEVERE THUNDERSTORM WATCH 452...

   VALID 282338Z - 290115Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 452
   CONTINUES.

   SUMMARY...ONGOING SEVERE TSTMS WILL CONTINUE TO POSE A RISK OF
   SEVERE HAIL AND WIND FOR THE NEXT 1-2 HRS. SPATIAL/TEMPORAL
   EXTENSION OF WW 452 MAY BECOME NECESSARY BEFORE 00Z ACROSS SRN
   MAINE...BUT ADDITIONAL WW ISSUANCE IS NOT ANTICIPATED.

   DISCUSSION...WELL-ORGANIZED STORMS ARE ONGOING AT 2330Z ACROSS THE
   ERN PART OF WW 452...WITH A LONG-LIVED CELL NOTED IN OXFORD CO.
   MAINE AND A BOWING SEGMENT APPROACHING PWM. CONVECTION WILL LIKELY
   CONTINUE INTO THE EVENING AHEAD OF THE STRONG VORT MAX MOVING INTO
   NRN NEW ENGLAND...BUT THE SEVERE THREAT IS EXPECTED TO DIMINISH WITH
   ERN EXTENT...WHERE SURFACE-BASED INSTABILITY BECOMES QUITE MINIMAL
   IN AN AREA DOMINATED BY LOW CLOUDINESS AND COOL SELY FLOW OFF OF THE
   ATLANTIC. AS A RESULT...ADDITIONAL WW ISSUANCE IS NOT
   ANTICIPATED...BUT SPATIAL/TEMPORAL EXTENSION OF WW 452 MAY BE
   NECESSARY BEFORE 00Z TO COVER THE REMAINING SHORT-TERM THREAT
   DOWNSTREAM OF THE ONGOING CONVECTION ACROSS SRN MAINE. T

   ..DEAN.. 07/28/2014


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

   LAT...LON   41857213 43257091 44567089 45576972 45906868 45526806
               44196911 43336998 42427073 41927107 41577170 41857213 

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Page last modified: July 29, 2014
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