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903 

WWUS20 KWNS 061730

SEL5

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CTZ000-MAZ000-MEZ000-NHZ000-NYZ000-PAZ000-VTZ000-070100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 605

NWS STORM PREDICTION CENTER NORMAN OK

130 PM EDT WED JUL 6 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN CONNECTICUT

       WESTERN AND CENTRAL MASSACHUSETTS

       WESTERN MAINE

       NEW HAMPSHIRE

       EASTERN AND CENTRAL NEW YORK

       NORTHERN PENNSYLVANIA

       VERMONT



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 130 PM UNTIL

900 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 115

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTH

NORTHEAST OF NEWPORT VERMONT TO 30 MILES EAST OF WILKESBARRE

PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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...SCATTERED THUNDERSTORMS WILL CONTINUE TO INTENSIFY THIS

AFTERNOON OVER PARTS OF CENTRAL/EASTERN NY AND SPREAD

EAST-SOUTHEASTWARD ACROSS THE WATCH AREA.  INSTABILITY IS ONLY

MARGINAL...BUT RELATIVELY STRONG WINDS ALOFT AND STEEP LOW LEVEL

LAPSE RATES WILL PROMOTE THE POTENTIAL FOR DAMAGING DOWNBURST WINDS

IN THE STRONGER CELLS.



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 450. MEAN STORM

MOTION VECTOR 27030.





...HART

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