SWOMCD
SPC MCD 301818
NHZ000-VTZ000-MAZ000-CTZ000-NYZ000-NJZ000-PAZ000-DEZ000-301915-
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
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GYX...BOX...BTV...OKX...ALY...PHI...BGM...CTP...
LAT...LON 40657641 42017527 43587511 44997468 44957168 40657373
39837546 39727601 40657641
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