Severe Thunderstorm Warning until 05:15AM 
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for... The District of Columbia... South central Anne Arundel County in central Maryland... North central St. Marys County in southern Maryland... Southeastern Montgomery County in central Maryland... Northwestern Calvert County in southern Maryland... Prince Georges County in central Maryland... Northeastern Charles County in southern Maryland... Arlington County in northern Virginia... The City of Falls Church in northern Virginia... East central Fairfax County in northern Virginia... The City of Alexandria in northern Virginia...
* Until 515 AM EDT.
* At 422 AM EDT, a severe thunderstorm was located over Fort Totten, moving southeast at 55 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, Waldorf, Bethesda, Bowie, Clinton, College Park, Fort Washington, Greenbelt, Langley Park, Beltsville, Forestville, Falls Church, Huntington, Largo, Coral Hills, Bladensburg, Mayo, Pimmit Hills and Shady Side.
* AFFECTED AREAS: CITY OF FALLS CHURCH, VA ... ARLINGTON, VA ... PRINCE GEORGES, MD ... CALVERT, MD ... ANNE ARUNDEL, MD ... ST. MARYS, MD ... CITY OF ALEXANDRIA, VA ... MONTGOMERY, MD ... CHARLES, MD ... FAIRFAX, VA ... DISTRICT OF COLUMBIA, DC
Instructions:
For your protection move to an interior room on the lowest floor of a building.
Address/Location
Maryland Capitol Police
301 West Preston Street
Baltimore, MD 21201
Contact
Emergency: 9-1-1
Non-emergencies: 410-767-4793