Potent low pressure passed by to our west, and the warm front associated with the low moved through our area during this time. Warm and moist air near and south of the boundary led to an unstable atmosphere, while forcing from the warm front provided the lift. Thunderstorms developed and produced copious amounts of rainfall east of the Blue Ridge Mountains.

Flash Flood in BALTIMORE, MARYLAND
From 27-JUN-15 17:19:00 to 27-JUN-15 19:30:00 (EST-5)
Location: ESSEX
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

High water led to cars stranded on Terrace Avenue.

Flash Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 15:38:00 to 27-JUN-15 15:42:00 (EST-5)
Location: GLENMONT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Turkey Branch at Rockville reached a flood stage of 10 feet. The river crested at 10.07 feet at 15:40 EST. Water overflows the banks but no impacts are observed.

Flash Flood in BALTIMORE, MARYLAND
From 27-JUN-15 16:14:00 to 27-JUN-15 16:23:00 (EST-5)
Location: GLEN ARM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Minebank Run at Glen Arm reached a flood stage of 8 feet. It crested at 8.35 feet at 16:20 EST. Water covers the access road to Talmar.

Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 16:49:00 to 27-JUN-15 18:03:00 (EST-5)
Location: WHEATON HILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Northwest Branch Anacostia River at Colesville reached flood stage of 9 feet. It crested at 9.44 feet on 6/27 17:00 EST. Backyards of homes on Kemps Mill Road just south of Randolph Road were flooded.

Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 17:36:00 to 27-JUN-15 21:50:00 (EST-5)
Location: UNITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on the Patuxent River at Unity reached a flood stage of 8 feet. The river crested at 8.76 feet at 20:00 EST. The parking lot for the Patuxent River State Park at Maryland Route 97 began to flood.

Flood in CARROLL, MARYLAND
From 27-JUN-15 18:03:00 to 28-JUN-15 04:57:00 (EST-5)
Location: BRIDGEPORT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Monocacy River at Bridgeport reached flood stage of 13 feet. It crested at 15.78 feet on 6/27 22:30 EST. Baptist Road near Bridgeport began to flood.

Flood in ST. MARY'S, MARYLAND
From 27-JUN-15 19:02:00 to 28-JUN-15 02:36:00 (EST-5)
Location: GREAT MILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on St. Marys River at Great Mills reached a flood stage of 6 feet. It crested at 7.05 feet at 23:30 EST. Flat Iron Road began to flood with water in some yards in Great Mills.

Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 19:56:00 to 27-JUN-15 20:20:00 (EST-5)
Location: WHEATON HILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Northwest Branch Anacostia River at Colesville reached flood stage of 9 feet. It crested at 9.03 feet on 6/27 01:15 EST. Backyards of homes on Kemps Mill Road just south of Randolph Road are flooded.

Flood in HOWARD, MARYLAND
From 27-JUN-15 21:30:00 to 27-JUN-15 22:30:00 (EST-5)
Location: ELKRIDGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on the Patapsco River at Elkridge reached a flood stage of 15 feet. The river crested at 15.08 feet at 22:00 EST. Water began to cover a portion of River Road in Patapsco Valley State Park. Large portions of the park began to flood near the playground off Gunn Road.

Flood in HOWARD, MARYLAND
From 27-JUN-15 16:45:00 to 28-JUN-15 02:50:00 (EST-5)
Location: SAVAGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Little Patuxent River at Savage reached a flood stage of 10 feet. The river crested at 13.06 feet at 16:30 EST. Riverside trails began to flood. Water also approached fields off Bald Eagle Drive, and approached Brock Bridge Road.

Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 18:15:00 to 28-JUN-15 03:15:00 (EST-5)
Location: GOSHEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Brink Road at Wightman Road was closed due to flooding of Goshen Branch.

Flash Flood in PRINCE GEORGE'S, MARYLAND
From 27-JUN-15 16:57:00 to 27-JUN-15 22:10:00 (EST-5)
Location: LEELAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Collington Branch at Leeland Road reached flood stage of 12 feet. It crested at 14.84 feet on 6/21 19:00 EST.

Flood in HOWARD, MARYLAND
From 27-JUN-15 22:13:00 to 28-JUN-15 01:03:00 (EST-5)
Location: HIGHLAND
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Patuxent River at Brighton reached flood stage of 9 feet. It crested at 9.22 feet on 6/28 00:15 EST. Havilland Mill Road was flooded.

Flood in PRINCE GEORGE'S, MARYLAND
From 28-JUN-15 02:13:00 to 28-JUN-15 12:21:00 (EST-5)
Location: UPPER MARLBORO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on the Western Branch at Upper Marlboro reached a flood stage of 11 feet. The river crested at 11.65 feet at 06:30 EST. The Water Street bridge was completely covered by water.

Flash Flood in BALTIMORE, MARYLAND
From 27-JUN-15 17:05:00 to 27-JUN-15 18:05:00 (EST-5)
Location: WHITE MARSH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge on Honeygo Run at White Marsh reached a flood stage of 6 feet. The river crested at 7.17 feet at 17:30 EST. Water began to flow behind a business on Ebenezer Road.

Flash Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 15:30:00 to 27-JUN-15 16:15:00 (EST-5)
Location: GOSHEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

High water led to a road closure at Brink Road and Whiteman Road.

Flash Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 15:30:00 to 27-JUN-15 16:30:00 (EST-5)
Location: GERMANTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

The intersection of Riffle Ford Road and Germantown Road was closed due to high water.

Flash Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 15:30:00 to 27-JUN-15 16:30:00 (EST-5)
Location: CHEVY CHASE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Brookville Road and Georgia Street were closed due to high water.

Flash Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 15:30:00 to 27-JUN-15 16:30:00 (EST-5)
Location: CLARKSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

New Cut Road and Route 355 were closed due to high water.

Flash Flood in HOWARD, MARYLAND
From 27-JUN-15 15:30:00 to 27-JUN-15 18:30:00 (EST-5)
Location: WOODSTOCK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Gaither Road was closed due to high water.

Flash Flood in BALTIMORE, MARYLAND
From 27-JUN-15 15:50:00 to 27-JUN-15 19:00:00 (EST-5)
Location: SPARROWS PT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

There were lanes closed along Interstate 83 at Chase Street.

Flash Flood in CHARLES, MARYLAND
From 27-JUN-15 16:30:00 to 27-JUN-15 18:45:00 (EST-5)
Location: NEWPORT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Bowling Drive was closed due to high water.

Flash Flood in BALTIMORE, MARYLAND
From 27-JUN-15 17:15:00 to 27-JUN-15 19:00:00 (EST-5)
Location: LUTZ HILL
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

There were water rescues of multiple people on roofs of cars on Pulaski Highway and Rosedale Ave.

Flash Flood in MONTGOMERY, MARYLAND
From 27-JUN-15 15:30:00 to 27-JUN-15 16:30:00 (EST-5)
Location: PARKWOOD
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Two people were electrocuted in a stairwell going down into a basement that was flooded. Reports stated a portable sump pump was in the standing water in the basement.