The remnants of Florence slowly tracked through the area on the 17th and 18th. Plenty of tropical moisture caused showers and thunderstorms to contain locally heavy rainfall, which led to instances of flooding.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 01:44:00 to 18-SEP-18 03:30:00 (EST-5)
Location: WHITE MARSH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The water level at Whitemarsh Run rapidly surpassed flood stage of 11 feet, cresting at 12.97 feet at 2:15 AM  EST on the 18th of September. Town Center Court was flooded, and water covered the parking lots near the stream.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 01:00:00 to 18-SEP-18 03:00:00 (EST-5)
Location: BALTIMORE HIGHLANDS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Three feet of swift moving water was moving over Hollins Ferry Road near Landsdowne Road.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 01:19:00 to 18-SEP-18 03:19:00 (EST-5)
Location: LINHIGH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Hill is being washed down the roadway on MD43 at US Route 1.

Flood in MONTGOMERY, MARYLAND
From 18-SEP-18 01:25:00 to 18-SEP-18 03:25:00 (EST-5)
Location: WHITE OAK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

All lanes of MD-650 New Hampshire Avenue were blocked by high water at US-29 Colesville Road.

Flood in BALTIMORE, MARYLAND
From 18-SEP-18 01:30:00 to 18-SEP-18 03:30:00 (EST-5)
Location: STEMMERS RUN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A vehicle was stranded in high water in Golden Ring Plaza.

Flood in MONTGOMERY, MARYLAND
From 18-SEP-18 02:03:00 to 18-SEP-18 04:03:00 (EST-5)
Location: KEMP MILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US-29 Colesville Road was blocked by high water near I-495 Capital Beltway.

Flood in ANNE ARUNDEL, MARYLAND
From 18-SEP-18 15:31:00 to 18-SEP-18 17:31:00 (EST-5)
Location: RAYNOR HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A vehicle was stalled in flowing water over the road on Furnace Avenue near Race road. Deep Run was out of its banks.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 01:14:00 to 18-SEP-18 01:53:00 (EST-5)
Location: RELAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The USGS stream gage on East Branch Herbert Run near Arbutus rapidly exceeded the 7 foot flood stage during the short period indicated. It rose a foot over flood stage within 20 minutes, peaking at 8.02 feet at 1:35 am EST. Yards near the stream flooded, with water up to the top of the culvert at Sulphur Spring Road.

Flash Flood in PRINCE GEORGE'S, MARYLAND
From 18-SEP-18 01:08:00 to 18-SEP-18 04:00:00 (EST-5)
Location: OAK CREST
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

All lanes of MD-197 Laurel Bowie Road were blocked by high water near Montpelier Drive.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 01:48:00 to 18-SEP-18 04:00:00 (EST-5)
Location: HALETHORPE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

I-95 northbound was blocked by high water at Exit 50A for US-1 Caton Avenue.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 02:28:00 to 18-SEP-18 04:00:00 (EST-5)
Location: LUTZ HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A vehicle was stalled in high water on US-40 Pulaski Highway near MD-7 Philadelphia Road.

Flash Flood in BALTIMORE, MARYLAND
From 18-SEP-18 03:10:00 to 18-SEP-18 04:00:00 (EST-5)
Location: ST DENIS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Furnace Avenue was closed due to high water near the Baltimore County line.

Flash Flood in HOWARD, MARYLAND
From 18-SEP-18 03:10:00 to 18-SEP-18 04:00:00 (EST-5)
Location: ST DENIS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A car was trapped in high water near the intersection of Race Road and Hanover road. Race Road was closed.

Flood in HARFORD, MARYLAND
From 18-SEP-18 02:55:00 to 18-SEP-18 03:32:00 (EST-5)
Location: SINGER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on Otter Point Creek in Edgewood exceeded the flood stage of 8 feet during the indicated period, flooding Winters Run Road near Singer Road. The peak level of 8.16 feet was observed at 3:15am EST.

Flood in ANNE ARUNDEL, MARYLAND
From 18-SEP-18 00:52:00 to 18-SEP-18 07:52:00 (EST-5)
Location: RAYNOR HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Patapsco River at Elkridge exceeded the 16 foot flood stage during the indicated period. Hammonds Ferry Road flooded and was closed at the Patapsco River. Backwater flooding led to the closure of Furnace Avenue in Elkridge. The peak level of 18.72 feet occurred at 3:25 AM.

Flash Flood in PRINCE GEORGE'S, MARYLAND
From 18-SEP-18 00:56:00 to 18-SEP-18 02:56:00 (EST-5)
Location: OAK CREST
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Several vehicles were trapped in high water on MD-197 Laurel Bowie Road.

Flood in ANNE ARUNDEL, MARYLAND
From 18-SEP-18 15:58:00 to 18-SEP-18 17:18:00 (EST-5)
Location: RAYNOR HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gage on the Patapsco River at Elkridge exceeded the 16 foot flood stage during the indicated period. Hammonds Ferry Road flooded and was closed at the Patapsco River. Backwater flooding led to the closure of Furnace Avenue in Elkridge. The peak level of 16.23 feet occurred at 4:05 PM.

Flood in MONTGOMERY, MARYLAND
From 18-SEP-18 01:29:00 to 18-SEP-18 01:43:00 (EST-5)
Location: TAKOMA PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The water levels crested at the flood stage of 5.5 feet. Water approached Sligo Creek Parkway just north of Maple Avenue.

Flood in BALTIMORE, MARYLAND
From 18-SEP-18 03:30:00 to 18-SEP-18 04:08:00 (EST-5)
Location: WHITE MARSH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The water level at Whitemarsh Run was was above flood stage of 11 feet. Water covered parking lots near the stream, particularly near Town Center Court.