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WWUS20 KWNS 121638

SEL3

SPC WW 121638

CTZ000-MAZ000-NYZ000-PAZ000-VTZ000-130000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 523

NWS STORM PREDICTION CENTER NORMAN OK

1240 PM EDT THU SEP 12 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHWEST CONNECTICUT

  WESTERN MASSACHUSETTS

  CENTRAL AND EASTERN NEW YORK

  CENTRAL AND EASTERN PENNSYLVANIA

  SOUTHERN VERMONT



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1240 PM

  UNTIL 800 PM EDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  SEVERAL LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

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

ALTOONA PENNSYLVANIA TO 35 MILES NORTH NORTHWEST OF GLENS FALLS

NEW YORK.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 ARE EXPECTED TO INTENSIFY AND INCREASE IN

AREAL COVERAGE WHILE SPREADING EASTWARD ACROSS THE WATCH AREA.

WHILE SOME HAIL IS POSSIBLE...DAMAGING WINDS WILL BE THE PRIMARY

HAZARD.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION

VECTOR 27025.





...MEAD

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