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464 

WWUS20 KWNS 270028

SEL8

SPC WW 270028

DCZ000-DEZ000-MDZ000-VAZ000-WVZ000-CWZ000-270500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 258

NWS Storm Prediction Center Norman OK

830 PM EDT Sun May 26 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  District Of Columbia

  Delaware

  Maryland

  Northern Virginia

  Eastern West Virginia Panhandle

  Coastal Waters



* Effective this Sunday night and Monday morning from 830 PM

  until 100 AM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 65 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorm clusters should spread east-southeast within

an environment supportive of damaging winds and isolated severe

hail.



The severe thunderstorm watch area is approximately along and 40

statute miles north and south of a line from 35 miles west northwest

of Washington DC to 25 miles south southeast of Dover DE. 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 252...WW 253...WW

254...WW 255...WW 256...WW 257...



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

1.5 inches. Extreme turbulence and surface wind gusts to 55 knots. A

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

27025.



...Grams

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