Low pressure passed by to the west toward the Great Lakes. The warm front associated with the low moved through the area while the cold front associated with the low approached from the west. There was enough lift associated with the warm front to combine with a warm and humid atmosphere, resulting in showers and thunderstorms. Rainfall was heavy at times which resulted in flooding.

Flood in BERKELEY, WEST VIRGINIA
From 22-AUG-18 06:43:00 to 22-AUG-18 09:43:00 (EST-5)
Location: BLAIRTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

The 400 Block of Queen Street was closed under the underpass due to flooding from a creek. Parts of West John Street were closed due to flooding. Williamsport Pike was closed between Berkley Station Road and Mid-Atlantic Parkway due to flooding. Parts of Baltimore Street were closed due to flooding.

Flood in BERKELEY, WEST VIRGINIA
From 21-AUG-18 21:51:00 to 21-AUG-18 23:51:00 (EST-5)
Location: MARTINSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Apartments along Eclipse Court were evacuated due to flooding.

Flood in MORGAN, WEST VIRGINIA
From 21-AUG-18 18:00:00 to 21-AUG-18 20:00:00 (EST-5)
Location: BERKELEY SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Martinsburg Road was closed due to flooding. Parts of Washington Street was closed and Widmyer Circle was also closed at Myers Road. The 50 block of Broadway Street was closed and the 100 Block of Mercer Street was also closed due to high water. The 1600 Block of Valley Road was closed due to flooding and Keystone Lane at Biser Street was also closed. A landslide was reported near the 1200 Block of Valley road.

Flood in BERKELEY, WEST VIRGINIA
From 21-AUG-18 21:54:00 to 22-AUG-18 02:25:00 (EST-5)
Location: INWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The USGS stream gage on Mill Creek near Bunker Hill exceeded the 4.25 foot flood stage during the indicated period. The peak level of 4.61 feet occurred at midnight EST. Henshaw Road was flooded overnight.

Flash Flood in MORGAN, WEST VIRGINIA
From 21-AUG-18 16:42:00 to 21-AUG-18 19:00:00 (EST-5)
Location: BERKELEY SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The USGS stream gage on Warm Springs Run near Berkeley Springs exceeded the 5 foot flood stage rapidly during the indicated period, going from low water to flood stage in an hour. Video from 5:03pm EST shows water flowing over a roadway, with flooding also reported at Berkeley Springs State Park and in the back parking lot of the high school. The peak level of 5.97 feet occurred at 6:00pm EST. Flooding continued beyond this time as the stream level remained high.

Flood in MORGAN, WEST VIRGINIA
From 21-AUG-18 19:00:00 to 21-AUG-18 22:00:00 (EST-5)
Location: BERKELEY SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Flooding continued on Warm Springs Run near Berkeley Springs. Floodwaters were no longer rising rapidly, but earlier flooding persisted for several hours in Berkeley Springs State Park.

Flash Flood in BERKELEY, WEST VIRGINIA
From 21-AUG-18 19:32:00 to 21-AUG-18 21:32:00 (EST-5)
Location: MARTINSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge at Tuscarora Creek in Martinsburg rapidly rose above flood stage, cresting at 7.47 feet. Water approached the yard and driveway of a private road off Rock Cliff Drive. Water also covered much of the field behind Rock Cliff Plaza.

Flood in MORGAN, WEST VIRGINIA
From 21-AUG-18 16:58:00 to 21-AUG-18 18:58:00 (EST-5)
Location: GREENWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous roads were closed across the central and eastern portions of the county due to high water.

Flood in BERKELEY, WEST VIRGINIA
From 22-AUG-18 00:22:00 to 22-AUG-18 09:57:00 (EST-5)
Location: VANCLEVESVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The USGS stream gage on Opequon Creek near Martinsburg exceeded the 10 foot flood stage during the indicated period. The peak level of 11.63 feet occurred at 5:31am EST. Golf Course Road and Douglas Grove Road were both flooded.

Flood in BERKELEY, WEST VIRGINIA
From 21-AUG-18 21:32:00 to 22-AUG-18 02:47:00 (EST-5)
Location: MARTINSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The stream gauge at Tuscarora Creek in Martinsburg remained above flood stage of 5.5 feet. Water approached the yard and driveway of a private road off Rock Cliff Drive. Water also covered much of the field behind Rock Cliff Plaza.

Flood in BERKELEY, WEST VIRGINIA
From 21-AUG-18 21:49:00 to 21-AUG-18 23:49:00 (EST-5)
Location: MARTINSBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Homes adjacent to Elizabeth Street and Hess Avenue in Martinsburg were evacuated due to flooding.