That also includes Frederick County.
Severe Thunderstorm Watch
SEVERE THUNDERSTORM WATCH 503 IS IN EFFECT UNTIL 1000 PM EDT FOR THE FOLLOWING LOCATIONS MDC003-005-009-011-013-015-017-019-021-025-027-029-031-033-035- 037-039-041-045-047-510-260200- /O.NEW.KWNS.SV.A.0503.220725T1745Z-220726T0200Z/ MD . MARYLAND COUNTIES INCLUDED ARE ANNE ARUNDEL BALTIMORE CALVERT CAROLINE CARROLL CECIL CHARLES DORCHESTER FREDERICK HARFORD HOWARD KENT MONTGOMERY PRINCE GEORGES QUEEN ANNE`S SOMERSET ST. MARYS TALBOT WICOMICO WORCESTER MARYLAND INDEPENDENT CITIES INCLUDED ARE BALTIMORE CITY By The National Weather Service, Sterling, Va.