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539 

WWUS20 KWNS 110217

SEL0

SPC WW 110217

NYZ000-PAZ000-LEZ000-110600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 280

NWS Storm Prediction Center Norman OK

1020 PM EDT Wed Jun 10 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western New York

  Northwest/North-central Pennsylvania

  Lake Erie



* Effective this Wednesday night and Thursday morning from 1020

  PM until 200 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  A tornado or two possible



SUMMARY...A fast-moving of storms may continue to pose mostly a

damaging wind threat as storms continue northeastward late this

evening across western New York/northern Pennsylvania. Storms should

gradually weaken by early in the overnight, but strong to severe

thunderstorms will remain a possibility for a few more hours.



The severe thunderstorm watch area is approximately along and 45

statute miles east and west of a line from 55 miles north northeast

of Jamestown NY to 30 miles southeast of Dubois PA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU0).



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 279...



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

0.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 450. Mean storm motion vector

25045.



...Guyer

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