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WWUS20 KWNS 012151

SEL6

SPC WW 012151

DCZ000-MDZ000-NCZ000-PAZ000-VAZ000-WVZ000-CWZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 186

NWS Storm Prediction Center Norman OK

555 PM EDT Mon May 1 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  District Of Columbia

  Northern Maryland

  Central North Carolina

  South central Pennsylvania

  Central and northern Virginia

  The eastern West Virginia Panhandle

  Coastal Waters



* Effective this Monday afternoon and evening from 555 PM until

  1100 PM EDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1 inch in diameter possible



SUMMARY...Broken bands of strong/severe storms will persist through

the evening with a primary risk for damaging winds, prior to the

convection weakening tonight.



The severe thunderstorm watch area is approximately along and 65

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

Martinsburg WV to 25 miles west southwest of Southern Pines NC. 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 185...



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

24040.



...Thompson

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