MESOSCALE DISCUSSION 1246
   NWS STORM PREDICTION CENTER NORMAN OK
   0728 PM CDT THU JUN 21 2007
   
   AREAS AFFECTED...SRN NEW ENGLAND
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 435...
   
   VALID 220028Z - 220130Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 435
   CONTINUES.
   
   OVERALL SEVERE THREAT SHOULD DIMINISH THIS EVENING WITHIN VALID
   PORTIONS OF WW 435 AND DOWNSTREAM TO THE E...DUE TO THE ONSET OF
   NOCTURNAL COOLING. NO ADDITIONAL WW IS EXPECTED BEYOND THE SCHEDULED
   EXPIRATION TIME OF 02Z FOR WW 435. 
   
   AS OF 0015Z...RADAR/LIGHTNING IMAGERY INDICATED THE MAJORITY OF TSTM
   CLUSTERS WERE NOW LOCATED ALONG THE DE RIVER VALLEY FROM E-CNTRL PA
   THROUGH THE NYC METRO AREA AND NEWD ACROSS CT/WRN AND CNTRL MA.
   ALTHOUGH ISOLATED DAMAGING WIND GUSTS/MARGINALLY SEVERE HAIL MAY YET
   CONTINUE FOR THE NEXT FEW HOURS...OVERALL CONVECTIVE INTENSITY
   SHOULD DIMINISH AS THE BOUNDARY LAYER DECOUPLES AND SURFACE-BASED
   INHIBITION INCREASES.
   
   ..GRAMS.. 06/22/2007
   
   
   ATTN...WFO...GYX...BOX...OKX...ALY...PHI...BGM...
   
   40087477 40497565 40857567 41517375 42027293 42707226
   42947166 42747084 41917124 41507174 40777290 40507381