Severe Thunderstorm Warning until 05:00PM 
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for... South central Anne Arundel County in central Maryland... Central Prince Georges County in central Maryland... Southeastern Fairfax County in northern Virginia... The southeastern City of Alexandria in northern Virginia...
* Until 500 PM EDT.
* At 412 PM EDT, a severe thunderstorm was located over Oxon Hill, or over National Harbor, moving east at 35 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... Bowie, Clinton, Crofton, Fort Washington, Fort Hunt, Groveton, Forestville, Largo, Coral Hills, Mayo, Shady Side, Deale, National Harbor, Upper Marlboro, Rhode River, Andrews Air Force Base, Camp Springs, Oxon Hill, Parole and Hybla Valley.
* AFFECTED AREAS: PRINCE GEORGES, MD ... ANNE ARUNDEL, MD ... CITY OF ALEXANDRIA, VA ... FAIRFAX, VA
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