National Weather Service says it will remain in effect until 9PM Wed.
SEVERE THUNDERSTORM WATCH 400 IS IN EFFECT UNTIL 900 PM EDT FOR THE FOLLOWING LOCATIONS MDC001-013-017-021-023-027-031-033-043-230100- /O.NEW.KWNS.SV.A.0400.220622T1735Z-220623T0100Z/ MD . MARYLAND COUNTIES INCLUDED ARE ALLEGANY CARROLL CHARLES FREDERICK GARRETT HOWARD By The National Weather Service, Sterling, Va. MONTGOMERY PRINCE GEORGES WASHINGTON