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Source: NBC Washington
The National Weather Service said it has confirmed a tornado on the ground near Olney, Md., moving east at 50 mph around 4:05 p.m.
Tornado warnings have been issued in Maryland and Virginia as a strong line of storms tears through the region.
A warning for Montgomery, Baltimore, Prince George’s, Anne Arundel and Howard counties expires at 4:30 p.m.
Residents should get into basements or central areas of buildings and stay away from windows.
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