It’s in effect until 10:00 PM
SEVERE THUNDERSTORM WATCH 518 IS IN EFFECT UNTIL 1000 PM EDT FOR THE FOLLOWING LOCATIONS MDC001-003-005-013-015-017-021-025-027-031-033-043-510-110200- /O.NEW.KWNS.SV.A.0518.240710T1740Z-240711T0200Z/ MD . MARYLAND COUNTIES INCLUDED ARE ALLEGANY ANNE ARUNDEL BALTIMORE CARROLL CECIL CHARLES FREDERICK HARFORD HOWARD By The National Weather Service, Sterling, Va. MONTGOMERY PRINCE GEORGES WASHINGTON By The National Weather Service, Sterling, Va.