

136 

WWUS20 KWNS 130222

SEL5

SPC WW 130222

NYZ000-PAZ000-LEZ000-130600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 495

NWS Storm Prediction Center Norman OK

1025 PM EDT Sun Sep 12 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern New York

  Far Northwest Pennsylvania

  Lake Erie



* Effective this Sunday night and Monday morning from 1025 PM

  until 200 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph possible



SUMMARY...A compact elevated bow across southwest Ontario should

spread into western New York before weakening overnight.



The severe thunderstorm watch area is approximately along and 40

statute miles north and south of a line from 50 miles west northwest

of Jamestown NY to 35 miles north northeast of Elmira NY. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU5).



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 inch. Extreme turbulence and surface wind gusts to 55 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

28060.



...Grams



060 

WWUS20 KWNS 130222 CCA

SEL5

SPC WW 130222 CCA

NYZ000-PAZ000-LEZ000-130600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 495

NWS Storm Prediction Center Norman OK

1025 PM EDT Sun Sep 12 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western New York

  Far Northwest Pennsylvania

  Lake Erie



* Effective this Sunday night and Monday morning from 1025 PM

  until 200 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph possible



SUMMARY...A compact elevated bow across southwest Ontario should

spread into western New York before weakening overnight.



The severe thunderstorm watch area is approximately along and 40

statute miles north and south of a line from 50 miles west northwest

of Jamestown NY to 35 miles north northeast of Elmira NY. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU5).



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 inch. Extreme turbulence and surface wind gusts to 55 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

28060.



...Grams

