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604 

WWUS20 KWNS 171711

SEL2

SPC WW 171711

CTZ000-DCZ000-DEZ000-MAZ000-MDZ000-NJZ000-NYZ000-PAZ000-VAZ000-WVZ00

0-CWZ000-180300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 382

NWS Storm Prediction Center Norman OK

110 PM EDT Sat Jul 17 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Connecticut

  District Of Columbia

  Delaware

  western Massachusetts

  Maryland

  New Jersey

  southeast New York

  central and eastern Pennsylvania

  northern Virginia

  northeast West Virginia

  Coastal Waters



* Effective this Saturday afternoon and evening from 110 PM until

  1100 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  A tornado or two possible



SUMMARY...Storms will continue to develop and intensify within the

destabilizing warm sector across a portion of the Middle Atlantic

and Northeast States this afternoon and evening. Mostly multicells

and some marginal supercell structures are expected with storms

evolving into lines and bowing segments capable of mainly scattered

wind damage.



The severe thunderstorm watch area is approximately along and 125

statute miles east and west of a line from 30 miles east northeast

of Binghamton NY to 50 miles south southwest of Washington DC. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU2).



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 60 knots. A few

cumulonimbi with maximum tops to 500. Mean storm motion vector

26035.



...Dial

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