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484 

WWUS20 KWNS 210004

SEL7

SPC WW 210004

NYZ000-LOZ000-210400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 277

NWS STORM PREDICTION CENTER NORMAN OK

805 PM EDT MON JUN 20 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN...NORTHERN AND CENTRAL NEW YORK

  LAKE ONTARIO



* EFFECTIVE THIS MONDAY NIGHT FROM 805 PM UNTIL MIDNIGHT EDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORMS WILL CONTINUE TO INCREASE IN COVERAGE ACROSS

WESTERN...NORTHERN AND CENTRAL NEW YORK. A MOIST AND UNSTABLE

AIRMASS WILL MAKE CONDITIONS FAVORABLE FOR WIND DAMAGE. THE LINE

WILL MOVE EWD ACROSS MUCH OF NEW YORK BEFORE WEAKENING LATE THIS

EVENING.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES EAST OF

SARANAC LAKE NEW YORK TO 55 MILES WEST SOUTHWEST OF ROCHESTER NEW

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 275...WW 276...



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 450. MEAN STORM MOTION

VECTOR 27040.





...BROYLES

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