

000 

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

