TORNADO WATCH 447 IS IN EFFECT UNTIL 800 PM EDT FOR THE FOLLOWING LOCATIONS . MARYLAND COUNTIES INCLUDED ARE ALLEGANY ANNE ARUNDEL BALTIMORE CALVERT CARROLL CECIL CHARLES FREDERICK GARRETT HARFORD HOWARD KENT MONTGOMERY PRINCE GEORGES QUEEN ANNE`S ST. MARYS WASHINGTON MARYLAND INDEPENDENT CITIES INCLUDED ARE BALTIMORE CITY By The National Weather Service, Sterling, Va.