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WWUS20 KWNS 201900

SEL4

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NYZ000-VTZ000-LEZ000-LOZ000-210300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 384

NWS Storm Prediction Center Norman OK

305 PM EDT Tue Jul 20 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Much of New York

  Vermont

  Lake Erie

  Lake Ontario



* Effective this Tuesday afternoon and evening from 305 PM until

  1100 PM EDT.



* Primary threats include...

  Scattered damaging winds likely with isolated significant gusts

    to 75 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...A well-organized line of thunderstorms is moving across

southeast Ontario, and will affect the watch area this afternoon and

evening.  Other more isolated storms will also form ahead of the

line, posing additional severe threat.  Damaging winds are the main

risk, but hail is also possible.



The severe thunderstorm watch area is approximately along and 130

statute miles east and west of a line from 35 miles north of Saranac

Lake NY to 35 miles south southeast of Syracuse NY. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU4).



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.



&&



AVIATION...A few severe thunderstorms with hail surface and aloft to

1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

29030.



...Hart

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