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WWUS20 KWNS 221831

SEL6

SPC WW 221831

DCZ000-MDZ000-VAZ000-CWZ000-230100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 116

NWS Storm Prediction Center Norman OK

230 PM EDT Tue May 22 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  District Of Columbia

  Central and Southern Maryland

  Northern and Central Virginia

  Coastal Waters



* Effective this Tuesday afternoon and evening from 230 PM until

  900 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Storms moving eastward off the Blue Ridge Mountains are

expected to intensify as they progress eastward with potential to

produce primarily damaging wind gusts and isolated hail.



The severe thunderstorm watch area is approximately along and 60

statute miles east and west of a line from 35 miles west southwest

of Richmond VA to 25 miles northwest of Washington DC. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU6).



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 115...



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

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

few cumulonimbi with maximum tops to 500. Mean storm motion vector

27020.



...Weiss

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