The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... St. Marys County in southern Maryland...Charles County in southern Maryland... Southern Stafford County in northern Virginia... King George County in central Virginia... Southeastern Orange County in central Virginia... The City of Fredericksburg in central Virginia... Spotsylvania County in central Virginia... * Until 400 PM EDT. * At 255 PM EDT, severe thunderstorms were located along a line extending from 6 miles northeast of Gum Spring to Bowling Green to near White Point Beach, moving northwest at 25 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... Stafford, Waldorf, Fredericksburg, La Plata, King George, Leonardtown, Dahlgren, Fairview Beach, Popes Creek, Hallowing Point, Aquia Creek, Potomac Creek, Sheridan Point, Saint Clements Bay, Nanjemoy Creek, Wicomico River, White Point Beach, Port Tobacco River, Golden Beach and Massaponax. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.