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WWUS20 KWNS 231658

SEL8

SPC WW 231658

DCZ000-MDZ000-PAZ000-VAZ000-WVZ000-CWZ000-240000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 218

NWS Storm Prediction Center Norman OK

100 PM EDT Thu May 23 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  District Of Columbia

  Maryland

  Southeast Pennsylvania

  Northern Virginia

  Eastern Panhandle of West Virginia

  Coastal Waters



* Effective this Thursday afternoon and evening from 100 PM until

  800 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Scattered large hail events to 1 inch in diameter possible



SUMMARY...A line of thunderstorms is expected to intensify and track

across the watch area this afternoon, posing a risk of locally

damaging wind gusts.



The severe thunderstorm watch area is approximately along and 55

statute miles east and west of a line from 60 miles southwest of

Washington DC to 30 miles northeast of Harrisburg PA. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU8).



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 217...



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

26035.



...Hart

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