

000 

WWUS20 KWNS 151642

SEL9

SPC WW 151642

CTZ000-MAZ000-NYZ000-PAZ000-VTZ000-160000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 519

NWS STORM PREDICTION CENTER NORMAN OK

1240 PM EDT SUN JUL 15 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN CONNECTICUT

       WESTERN MASSACHUSETTS

       SOUTHEASTERN NEW YORK

       NORTHEASTERN PENNSYLVANIA

       SOUTHERN VERMONT



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL

800 PM EDT.



HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST

SOUTHWEST OF BINGHAMTON NEW YORK TO 25 MILES NORTHEAST OF

PITTSFIELD MASSACHUSETTS.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 518...



DISCUSSION...STORMS ARE EXPECTED TO INTENSIFY IN ADVANCE OF EWD

MOVING FRONTAL BOUNDARY AS THE ATMOSPHERE CONTINUES TO DESTABILIZE.

DEEP SHEAR OF 40-50 KT WILL SUPPORT POTENTIAL FOR SOME SUPERCELL AND

BOWING STRUCTURES WITH DAMAGING WIND AND HAIL THE MAIN THREATS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION

VECTOR 24035.





...DIAL/WEISS

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