Strong low pressure at the surface tracked towards West Virginia. At the same time, a strong upper level low pressure system strengthened as it crossed east through Kentucky. The combination of the two and an onslaught of colder air brought significant snow accumulations to areas east of Wilmington, Ohio, with light accumulations found along and west of the I-75 corridor.

Winter Storm in FAIRFIELD, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Trained Spotter

A spotter 2 miles east of Canal Winchester measured 6.3 inches of snow, while another south of Lancaster measured 6.2 inches. Elsewhere around the county, 6 inches of snow was measured by the county garage south of Lancaster, a CoCoRaHS observer 7 miles east of Ashville, and from a social media post from Lancaster.

Winter Storm in HOCKING, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Department of Highways

Six inches of snow was measured by the county garage near Lake Logan State Park, while the cooperative observer in Logan measured 5.5 inches of snow.

Winter Storm in PICKAWAY, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Public

A public report from 3 miles northwest of Laurelville measured 5.5 inches of snow. The county garage in Circleville measured 4.5 inches.

Winter Storm in ROSS, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Public

A report from 2 miles northwest of Chillicothe had 6.5 inches of snow. A spotter 2 miles west of Chillicothe and a public report from 5 miles northwest of town both had 5 inches of snow.

Winter Storm in CLINTON, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: NWS Employee

An employee 2 miles north of Wilmington measured 4.3 inches of snow. The cooperative observer 3 miles north of Wilmington measured 4 inches, while the NWS office south of town measured 3.9 inches.

Winter Storm in HIGHLAND, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: COOP Observer

The observer in Hillsboro and the county garage east of town both measured 4.5 inches of snow.

Winter Storm in PIKE, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Department of Highways

The county garage north of Wakefield measured 4 inches of snow.

Winter Storm in BROWN, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Department of Highways

The county garage north in Georgetown measured 3.8 inches of snow.

Winter Storm in SCIOTO, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Lucasville measured 4 inches of snow, as did the CoCoRaHS observer in West Rosemount. A spotter 4 miles east of Wheelersburg measured 3.4 inches of accumulation.

Winter Storm in LICKING, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Trained Spotter

A spotter located 7 miles east of Newark measured 6.6 inches of snow. The CoCoRaHS observer 4 miles north of Granville and a public report in Etna both measured 6.5 inches. The county  garage 5 miles south of Heath measured 5 inches of snow.

Winter Storm in FAYETTE, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Washington Court House measured 4 inches of snow. A social media post from north of Leesburg had 3.5 inches of snow.

Winter Storm in ADAMS, OHIO
From 12-JAN-18 16:00:00 to 13-JAN-18 03:00:00 (EST-5)
Reported by: Department of Highways

The county garage in West Union measured 3.5 inches of snow, as did the cooperative observer located 6 miles east of West Union.