The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Southeastern Washington County in north central Maryland... West central Frederick County in north central Maryland... East central Jefferson County in the Panhandle of West Virginia... * Until 500 PM EDT. * At 416 PM EDT, a severe thunderstorm was located near Harpers Ferry, or near Shepherdstown, moving northeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. 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... Boonsboro, Braddock Heights, Mount Lena, Myersville, Keedysville, Rohrersville, Burkittsville, Gapland, Brownsville, Antietam, Arnoldtown, Moler Crossroads, Pleasant Walk, Bolivar, Pleasantville, Middletown In Frederick Md and Bakerton. 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.