A frontal system was draped across the central Appalachians on the 10th and 11th. As waves moved along the front, periods of heavy rainfall moved across Southwestern Virginia. Rainfall started during the morning of the 10th, with the heaviest rain from late afternoon overnight into the 11th. Three to four inches of rain fell over the 24 hour period, which lead to widespread flooding from the afternoon of the 10th, into the 11th. The cooperative observer at Nora in Dickenson County measured 4.04 inches of rainfall from the storm and a trained spotter in Clintwood measured 3.25 inches. In Buchanan County, the cooperative observer at Grundy measured 3.52 inches of rain and a mesonet gauge on Keen Mountain measured 3.04 inches. Dickenson County was placed under a state of emergency, and voluntary evacuation were started for the most flood prone spots in the county. A state of emergency was also declared by Buchanan County officials.
As the water drained through creeks and streams and into the rivers, river flooding occurred on the Russell Fork River and Cranes Nest River. John W. Flannagan Lake jumped 20 feet in just 24 hours, as the US Army Corps of Engineers shut down the dam's outflow to lessen river flooding in the region.

Flood in BUCHANAN, VIRGINIA
From 10-FEB-18 17:00:00 to 11-FEB-18 12:00:00 (EST-5)
Location: BREAKS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Multiple creeks and streams across the county flooded, including War Fork near Prater which closed State Route 83. Lesters Fork near Hurley also flooded, closing Route 650. the flood gates were closed in Grundy to keep water from the Levisa Fork from entering the city. Low lying areas around Davenport were flooded by high water on Hurricane Creek and Russell Fork. The Russell Fork also caused flooding of low lying areas in the community of Council.

Flood in DICKENSON, VIRGINIA
From 10-FEB-18 17:00:00 to 11-FEB-18 11:00:00 (EST-5)
Location: OSBORNS GAP
Flood cause: Heavy Rain
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water from flooding along Crooked Branch got into Dyers Chapel near Clinchco, and covered some equipment at a nearby well services business. Several drivers had to be rescued after driving into high water near Haysi. At least 8 people had to be rescued throughout the night, but fortunately there were no injuries. Social media pictures showed a number of vehicles parked in private driveways were flooded.
An earthen dam failed at Camp Jacob in the far southwest corner of the county, draining the nearly 10 acre lake and causing significant damage to the camp.
Many roads were flooded across the county. This included US Route 460, due to high water along Levisa Fork and Slate Creek. County Route 611 was closed due to flooding from Barts Lick Creek, and County Route 608 due to water from Doe Branch. Route 637 was closed due to flooding along the Cranes Nest River and Lick Branch, and Route 612 was under water due to Laurel Creek and Georges Fork. Bearpen Creek also flooded near Isom. Several private roads and bridges across the county were also washed out.
The Russell Fork River at Haysi rose above its flood stage of 19 feet on the evening of the 10th. The river crested at about 20.5 feet just after midnight on the 11th, and returned to its banks by sunrise. This caused flooding along parts of Route 63 and 80/83. Minor water also effected the park and some businesses in Haysi.
The Cranes Nest River in Clintwood also surged out of its banks on the evening of the 10th. It rose to just over 14.5 feet by midnight, about a foot and a half over bankfull level, and returned to its banks during the pre-dawn hours of the 11th. This flooded a section of Route 649 as well as several camps along the river.