

000 

WWUS20 KWNS 271624

SEL8

SPC WW 271624

CTZ000-MAZ000-MEZ000-NHZ000-NJZ000-NYZ000-PAZ000-RIZ000-CWZ000-28000

0-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 378

NWS STORM PREDICTION CENTER NORMAN OK

1225 PM EDT TUE MAY 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF CONNECTICUT

       MUCH OF MASSACHUSETTS

       PARTS OF SOUTHERN MAINE

       PARTS OF SOUTHERN NEW HAMPSHIRE

       NORTHERN NEW JERSEY

       PARTS OF SOUTHEASTERN NEW YORK

       PARTS OF NORTHEASTERN PENNSYLVANIA

       PARTS OF RHODE ISLAND

       COASTAL WATERS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1225 PM UNTIL

800 PM EDT.



HAIL TO 2 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 70

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES EAST OF

PORTSMOUTH NEW HAMPSHIRE TO 25 MILES SOUTH SOUTHWEST OF

WILKESBARRE PENNSYLVANIA.  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.



DISCUSSION...THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY

AHEAD OF STRONG COLD FRONT NOW ACROSS NRN NEW ENGLAND WSWWD INTO

NWRN PA.  WITH MLCAPES TO 1000 J/KG AND 40-50 KT OF UNIDIRECTIONAL

FLOW...DAMAGING WINDS WILL BE PRIMARY THREAT WITH FAST MOVING LINES

SEGMENTS.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 28035.





...HALES

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