Severe Thunderstorm Warning until 06:15PM 
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for... The northern District of Columbia... Northwestern Anne Arundel County in central Maryland... Southeastern Howard County in central Maryland... Southeastern Montgomery County in central Maryland... Northern Prince Georges County in central Maryland... Eastern Loudoun County in northern Virginia... Northern Arlington County in northern Virginia... The City of Falls Church in northern Virginia... Northeastern Fairfax County in northern Virginia...
* Until 615 PM EDT.
* At 523 PM EDT, a severe thunderstorm was located over American Legion Bridge, moving northeast at 40 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, Columbia, Rockville, Bethesda, Gaithersburg, Bowie, Severn, Annandale, Olney, College Park, Crofton, Greenbelt, Langley Park, Beltsville, Vienna, Elkridge, Falls Church, Bladensburg, Pimmit Hills and Mclean.
* AFFECTED AREAS: CITY OF FALLS CHURCH, VA ... ARLINGTON, VA ... PRINCE GEORGES, MD ... ANNE ARUNDEL, MD ... MONTGOMERY, MD ... HOWARD, MD ... FAIRFAX, VA ... LOUDOUN, 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