MESOSCALE DISCUSSION 1380
   NWS STORM PREDICTION CENTER NORMAN OK
   0118 PM CDT TUE JUN 30 2009
   
   AREAS AFFECTED...ERN PA...NRN NJ...ERN NY...VT AND FAR WRN CT/MA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 533...
   
   VALID 301818Z - 301915Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 533
   CONTINUES.
   
   AT 18Z...A BAND OF STRONG/SEVERE THUNDERSTORMS WAS SHIFTING EWD AT
   20-25 KT ACROSS PORTIONS OF ERN NY/ERN PA AND NRN NJ. THESE STORMS
   WILL CONTINUE SHIFTING EWD ACROSS THE CENTRAL/ERN PORTIONS OF WW 533
   AS STRONGER FORCING ALOFT SPREADS INTO THE WARMING AIR MASS
   IMMEDIATELY EAST OF THE ONGOING STORMS. THE COLD TEMPERATURES ALOFT
   ARE VERY FAVORABLE FOR SEVERE HAIL...MAINLY BETWEEN 3/4 AND 1 1/2
   INCHES IN SIZE. A FEW OF THE STORMS HAVE ORGANIZED INTO SHORT
   LINES/BANDS AND MAY AID IN TRANSPORTING STRONGER SWLY WINDS ALOFT TO
   THE SURFACE IN THE FORM OF OCCASIONAL DAMAGING DOWNBURSTS.
   
   ..IMY.. 06/30/2009
   
   
   ATTN...WFO...GYX...BOX...BTV...OKX...ALY...PHI...BGM...CTP...
   
   LAT...LON   40657641 42017527 43587511 44997468 44957168 40657373
               39837546 39727601 40657641