The Warning expires at 3:30
The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Southwestern Carroll County in north central Maryland... Northwestern Montgomery County in central Maryland... Southeastern Frederick County in north central Maryland... * Until 330 PM EDT. * At 239 PM EDT, a severe thunderstorm was located near Green Valley, or near Damascus, moving north 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... Germantown, Frederick, Ballenger Creek, Mount Airy, Walkersville, New Market, Discovery-Spring Garden, Boyds, Green Valley, Linganore-Bartonsville, Clarksburg, Libertytown, Monrovia, Barnesville, Ijamsville, Mount Pleasant, Park Mills, Dickerson and Beallsville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. By Kevin McManus