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Mesoscale Discussion 1250
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   SPC MESOSCALE DISCUSSION 1250 FOR MUCH OF NEW ENGLAND
   CONCERNING...SEVERE THUNDERSTORM WATCH 472...473...474...
   
   VALID 262119Z - 270000Z
   
   SEVERE THUNDERSTORM THREAT WILL CONTINUE ACROSS MUCH OF THE AREA
   OVER THE NEXT SEVERAL HOURS. DAMAGING WINDS WILL REMAIN THE PRIMARY
   SEVERE THREAT. AN ADDITIONAL WW MAY BE NEEDED SHORTLY FOR PORTIONS
   OF WRN AND CENTRAL ME.
   
   RADAR IMAGERY SHOWS CONVECTIVE CLUSTER OVER WW 474 CONTINUES TO
   REMAIN INTENSE AS IT CROSSES THE WHITE MTNS OF NRN NH. AIRMASS
   DOWNSTREAM OVER WRN ME HAS BECOME INCREASINGLY UNSTABLE AND SHOULD
   ALLOW FOR CONVECTION TO MAINTAIN INTENSITY OVER THE NEXT SEVERAL
   HOURS AS IT MOVES OUT OF NRN NH. ADDITIONAL STRONG THUNDERSTORMS
   WERE DEVELOPING OVER NWRN ME AND MAY BEGIN TO POSE A SEVERE THREAT.
   
   LEADING CONVECTION OVER WW 472 HAS WEAKENED CONSIDERABLY OVER THE
   LAST HOUR. AIRMASS OVER SERN NY/WRN CT HAS BECOME STABILIZED...AND
   AN ADDITIONAL SEVERE THREAT APPEARS MINIMAL IN THIS AREA. SEVERE
   THREAT WILL LIKELY BE CONFINED TO PORTIONS OF NRN NJ/NYC METRO AREA
   AND FAR ERN PA OVER THE NEXT SEVERAL. ISOLATED LARGE HAIL/DAMAGING
   WINDS WILL BE THE PRIMARY THREAT. SWLY LOW LEVEL JET WILL AID IN
   SOME BACKBUILDING POTENTIAL AND LOCALLY HEAVY RAINFALL RATES OVER
   ERN PA/NRN NJ.
   
   ACROSS WW 473 NEWLY DEVELOPED CONVECTION ALONG OUTFLOW BOUNDARY
   ACROSS PORTIONS OF ECENTRAL NY TO THE NE OF THE UCA AREA WILL
   LIKELY BEGIN POSING A THREAT FOR MARGINALLY SEVERE HAIL AND
   DAMAGING WINDS AS THEY MOVE EWD INTO SRN VT OVER THE NEXT FEW
   HOURS. ADDITIONAL STRONG TO SEVERE CONVECTION THAT DEVELOPED ALONG
   THE LAKE BREEZE FRONT OVER SWRN NY WILL MOVE INTO SWRN PORTIONS OF
   WW 473 OVER THE NEXT FEW HOURS. 
   
   ..CROSBIE.. 06/26/02
   
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