

000 

WWUS20 KWNS 272041

SEL8

SPC WW 272041

CTZ000-MAZ000-NHZ000-RIZ000-CWZ000-280200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 458

NWS STORM PREDICTION CENTER NORMAN OK

440 PM EDT WED JUN 27 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN CONNECTICUT

       MUCH OF MASSACHUSETTS

       SOUTHERN NEW HAMPSHIRE

       NORTHERN RHODE ISLAND

       COASTAL WATERS



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 440 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 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF

WESTFIELD MASSACHUSETTS TO 35 MILES EAST NORTHEAST OF BOSTON

MASSACHUSETTS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 456...WW 457...



DISCUSSION...ISOLATED THUNDERSTORMS OVER EASTERN NY WILL MOVE

EASTWARD THIS AFTERNOON INTO SOUTHERN NEW ENGLAND...WHILE OTHER

ISOLATED CELLS FORMS ACROSS REGION.  AIR MASS IS VERY MOIST AND

UNSTABLE WITH A RISK OF DAMAGING WINDS AND HAIL WITH MORE INTENSE

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 500. MEAN STORM

MOTION VECTOR 27025.





...HART

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