* Severe Thunderstorm Warning for... Southern Frederick County in north central Maryland... North central Loudoun County in northern Virginia... * Until 515 PM EDT. * At 446 PM EDT, severe thunderstorms were located along a line extending from near Brunswick to 6 miles southeast of Harpers Ferry, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. * Locations impacted include... Frederick, Harry Grove Stadium, Ballenger Creek, Brunswick, Braddock Heights, New Market, Green Valley, Point Of Rocks, Linganore-Bartonsville, Adamstown, Jefferson, Lovettsville, Buckeystown, Monrovia, Rosemont, Burkittsville, Doubs, Park Mills, Petersville and Ijamsville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.
By The National Weather Service, Sterling, Va.