A broad closed off upper low drifted across South Carolina and northwest back into southwest Virginia and West Virginia bringing persistent rainfall that eventually led to flooding. There were repeated rounds of heavy rainfall with widespread amounts of 2 to 5 inches. The  most notable rainfall was a fairly localized thunderstorm near Alderson, WV that caused severe flash flood damage on the afternoon of June 17th.

Flash Flood in MONROE, WEST VIRGINIA
From 19-JUN-20 16:15:00 to 19-JUN-20 17:15:00 (EST-5)
Location: WOLF CREEK
Flood cause: Heavy Rain
Property damage: 400.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Reports mentioned up to 25 homes damaged on the Monroe County side of Alderson. Two homes suffered severe structural damage when basement walls were caved. Dark Hollow Road was flooded out and the bridge possibly damaged. At least one person was reported trapped in their home and requiring rescue. Follow-up reports mentioned several mudslide and some very significant road and culvert damage in parts of the area.

Flash Flood in GREENBRIER, WEST VIRGINIA
From 19-JUN-20 17:00:00 to 19-JUN-20 19:00:00 (EST-5)
Location: ALDERSON
Flood cause: Heavy Rain
Property damage: 900.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Severe flash flooding closed Route 12 and Route 63 into Alderson. Up to 12 homes received flood damage on the Greenbrier side of Alderson and several road culverts were destroyed.  A photo from broadcast media showed Muddy Creek Mountain Road washed out.

Flash Flood in SUMMERS, WEST VIRGINIA
From 21-JUN-20 14:09:00 to 21-JUN-20 16:09:00 (EST-5)
Location: ELLISON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Locally heavy rainfall of up to 2 inches in one hour caused some flooding near Pence Springs and in the True area. At least one road was closed and water was reported across portions of Route 20.

Flood in MONROE, WEST VIRGINIA
From 17-JUN-20 16:15:00 to 18-JUN-20 00:15:00 (EST-5)
Location: BOZOO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The USGS gage on Indian Creek at Red Sulphur Springs (INCW2) rose above minor flood stage of 10 feet in the afternoon of the 17th cresting at 11.18 feet. Several roads were flooded and a report of flooding along a portion of Indian Creek Road was received.

Flash Flood in SUMMERS, WEST VIRGINIA
From 18-JUN-20 18:15:00 to 18-JUN-20 19:15:00 (EST-5)
Location: PENCE SPGS HINTON AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Buggy Branch was well out of its banks and flooding the Pence Springs Flea market off Route 12/3.

Heavy Rain in MONROE, WEST VIRGINIA
From 19-JUN-20 07:00:00 to 20-JUN-20 07:00:00 (EST-5)
Location: WOLF CREEK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP observer at Alderson measured 2.50 inches for the 24-hour period ending 700 AM on the 20th. This was a daily record for the date, beating the previous record of 1.45 inches in 1987. It was also the 6th highest daily rainfall in June with nearly complete data back to 1944. Nearby automated rain gages indicated that most of the rain fell in about a 90-minute period between about 430 and 600 PM local time, although news reports suggested a 45-minute time frame for the rainfall.

Heavy Rain in MONROE, WEST VIRGINIA
From 19-JUN-20 07:00:00 to 20-JUN-20 07:00:00 (EST-5)
Location: WOLF CREEK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

The CoCoRaHS station at Alderson 0.8 SSW (WV-MR-2) recorded 2.24 inches for the 24-hour period ending at 700 AM on the 20th, but most of the rain fell in roughly 50 minutes on the afternoon of of the 19th. Significant flash flooding was reported in the area.