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328 

WWUS20 KWNS 261833

SEL7

SPC WW 261833

CTZ000-MAZ000-MEZ000-NHZ000-NYZ000-RIZ000-270200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 687

NWS STORM PREDICTION CENTER NORMAN OK

230 PM EDT TUE JUL 26 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CONNECTICUT

       MASSACHUSETTS

       WESTERN MAINE

       EAST CENTRAL AND SOUTHERN NEW HAMPSHIRE

       EXTREME SOUTHEAST NEW YORK

       RHODE ISLAND



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL

1000 PM EDT.



HAIL TO 1.5 INCHES 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 45

STATUTE MILES EAST AND WEST OF A LINE FROM 95 MILES NORTHEAST OF

BERLIN NEW HAMPSHIRE TO 45 MILES SOUTH SOUTHWEST OF WINDSOR LOCKS

CONNECTICUT.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 686...



DISCUSSION...STRONG/SEVERE STORMS OVER NY AND PARTS OF VT/NH ARE

EXPECTED TO CONTINUE MOVING EWD/ESEWD ACROSS PARTS OF NEW ENGLAND

THROUGH THE EVENING HOURS.  UPPER LOW OVER QUEBEC IS MOVING EWD WITH

A STRONG MID/UPPER LEVEL JET STREAM TRANSLATING EWD ACROSS THE NRN

PARTS OF THE MID ATLANTIC STATES.  CLOUDS HAVE BEEN CLEARING EWD

ACROSS MUCH OF SRN NEW ENGLAND AND WRN ME INDICATING SEVERAL HOURS

OF HEATING/DESTABILIZATION WILL OCCUR IN ADVANCE OF THE STORMS.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 27035.





...WEISS

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