WATCHES: Severe Thunderstorm Watch Number 347

WWUS20 KWNS 051612
SEL7
SPC WW 051612
CTZ000-MAZ000-MEZ000-NHZ000-NYZ000-RIZ000-VTZ000-CWZ000-052300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 347
NWS STORM PREDICTION CENTER NORMAN OK
1205 PM EDT TUE JUN 5 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

CONNECTICUT
MASSACHUSETTS
WESTERN MAINE
NEW HAMPSHIRE
EASTERN NEW YORK
RHODE ISLAND
VERMONT
COASTAL WATERS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1205 PM UNTIL
700 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 85
STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH OF
NEWPORT VERMONT TO 35 MILES 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 346...

DISCUSSION...STORMS ARE EXPECTED TO INTENSIFY ALONG AND AHEAD OF
WEAK COLD FRONT FROM ERN NY THROUGH NEW ENGLAND. MLCAPE WILL
APPROACH 1500 J/KG AS THE BOUNDARY LAYER CONTINUES TO WARM. BELT OF
STRONGER MID LEVEL FLOW ASSOCIATED WITH VORT MAX LIFTING NEWD
THROUGH NEW ENGLAND WILL CONTRIBUTE TO 35 TO 40 KT DEEP LAYER
SHEAR...SUFFICIENT FOR SOME STORMS TO DEVELOP MID LEVEL ROTATION.

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 24035.

..DIAL

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