SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Tidal Potomac from Key Bridge to Indian Head MD. * Until 945 PM EDT. * At 822 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Alexandria, moving east at 10 knots. HAZARD. Wind gusts 34 knots or greater and waterspouts. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Waterspouts can easily overturn boats and create locally hazardous seas. * Locations impacted include. Fort Washington, Tidal Basin, Reagan National Airport, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, and Alexandria.

SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for. The southeastern District of Columbia. West central Prince Georges County in central Maryland. Southeastern Arlington County in northern Virginia. East central Fairfax County in northern Virginia. The City of Alexandria in northern Virginia. * Until 915 PM EDT. * At 824 PM EDT, a severe thunderstorm was located over Lincolnia, or over Springfield, moving east at 15 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. Arlington, Alexandria, Annandale, Clinton, Springfield, Fort Washington, Groveton, Huntington, Coral Hills, National Harbor, Reagan National Airport, Crystal City, RFK Stadium, Nationals Park, Andrews Air Force Base, Lincolnia, Camp Springs, Franconia, Oxon Hill, and Walker Mill.