The Flood Watch will expire for portions of DC, including the following , District of Columbia, Maryland, including the following areas, Carroll, Central and Southeast Montgomery, Northwest Howard, Northwest Montgomery and Prince Georges, and northern Virginia, including the following areas, Arlington/Falls Church/Alexandria, Eastern Loudoun and Fairfax. The flooding threat has ended. Therefore, the Flood Watch will expire at 10 PM EDT this evening.

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Chesapeake Bay from Pooles Island to Sandy Point MD. Chester River to Queenstown MD. Patapsco River including Baltimore Harbor. * Until 1130 PM EDT. * At 1001 PM EDT, a strong thunderstorm was located 10 nm west of Fort Smallwood Park, moving east at 20 knots. HAZARD. Wind gusts 34 knots or greater. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include. Love Point, Pinehurst, North Point State Park, Fort Smallwood Park, Hart Miller Island, Magothy River, Baltimore Light, Gibson Island, Bodkin Point, Tolchester Beach, and Sevenfoot Knoll.

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of central, northeast, and northern Maryland, including the following areas, in central Maryland, Anne Arundel and Central and Southeast Howard. In northeast Maryland, Cecil. In northern Maryland, Northern Baltimore, Northwest Harford, Southeast Harford and Southern Baltimore. * WHEN. Until midnight EDT tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Thunderstorms producing 1 to 2 inch per hour rainfall rates continue to move across the area this evening. This may result in additional flash flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 634 TO EXPIRE AT 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS ALLOWS TO EXPIRE 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS ALLOWS TO EXPIRE 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS ALLOWS TO EXPIRE 16 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX MORRIS SOMERSET SUSSEX WARREN IN SOUTHERN NEW JERSEY ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS ALLOWS TO EXPIRE 10 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN NORTHEAST PENNSYLVANIA CARBON MONROE IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM, BLAIRSTOWN, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON, EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN, GLASSBORO, HAMMONTON, JIM THORPE, MEDIA, MILLVILLE, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Northeastern Howard County in central Maryland. Southwestern Baltimore County in northern Maryland. Baltimore City in northern Maryland. * Until 1245 AM EDT. * At 948 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE. Radar. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include. Baltimore. Columbia. Pikesville. Historic Ellicott City. Ellicott City. Catonsville. Woodlawn. Milford Mill. Lochearn. Arbutus. Ilchester. Oella. Daniels.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Central Howard County in central Maryland. East Central Montgomery County in central Maryland. * Until 1245 AM EDT. * At 936 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Columbia. Olney. Highland. Brookeville. Clarksville. Brinklow. Ashton. Sandy Spring.