Severe Thunderstorm Warning until 03:30AM Monday 
The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning for... The District of Columbia... Northwestern Anne Arundel County in central Maryland... Southeastern Howard County in central Maryland... Southeastern Montgomery County in central Maryland... Northwestern Prince Georges County in central Maryland...
* Until 330 AM EDT
* At 241 AM EDT, a severe thunderstorm was located over National Harbor, moving north at 50 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... Columbia, Severn, Clinton, College Park, Fort Washington, Greenbelt, Langley Park, Beltsville, Elkridge, Coral Hills, Bladensburg, National Harbor, University of Maryland, Nationals Park, Fedex Field, Howard University, Gallaudet University, Fort Totten, RFK Stadium and Laurel. HAIL...<.75IN WIND...60MPH
* AFFECTED AREAS: ANNE ARUNDEL ... HOWARD ... MONTGOMERY ... PRINCE GEORGES
Instructions:
Get indoors to protect yourself from wind and lightning. Trees around you may be downed from damaging winds, so if you are near large trees, move to an interior room on the lowest floor. Don`t drive underneath trees or in wooded areas until the threat has passed.
Address/Location
Maryland Capitol Police
301 West Preston Street
Baltimore, MD 21201
Contact
Emergency: 9-1-1
Non-emergencies: 410-767-4793