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 Weather in HAMILTON, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: CoCoRaHS

The observer near Wyoming measured 2.8 inches of snow. A spotter near White Oak measured 2.6 inches, with another measuring 2.5 inches near Sharonville.

Winter Weather in CLERMONT, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: NWS Employee

A NWS employee 5 miles southeast of Loveland measured 3 inches of snow. The CoCoRaHS observer located 3 miles west of Bethel measured 2.5 inches.

Winter Weather in MERCER, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage west of Celina measured 2 inches of snow.

Winter Weather in AUGLAIZE, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Public

A public report from Waynesfield measured 2 inches of snow. The county garage south of Wapakoneta measured 1.5 inches of snow.

Winter Weather in DARKE, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Greenville measured 1.5 inches of snow. The CoCoRaHS observer in Versailles measured an inch.

Winter Weather in SHELBY, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: CoCoRaHS

The CoCoRaHS observer in Russia measured an inch of snow, while another observer in Fort Loramie measures 0.7 inches.

Winter Weather in HARDIN, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Kenton measured 2 inches of snow.

Winter Weather in LOGAN, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Public

A public report from Bellefontaine measured 3 inches of snow. The cooperative observer north of Huntsville measured 2.5 inches.

Winter Weather in UNION, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Marysville measured 3 inches of snow, while a CoCoRaHS observer located 4 miles southeast of West Mansfield measured 2.5 inches.

Winter Weather in DELAWARE, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: CoCoRaHS

The CoCoRaHS observer 3 miles northwest of Dublin measured 5.5 inches of snow. Another observer 5 miles west of Hartford measured 3.9 inches, while the observer near Galena measured 3.8 inches. The ODOT county garage in Delaware measured 3 inches of snow.

Winter Weather in FRANKLIN, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: CoCoRaHS

The CoCoRaHS observer south of Powell measured 5.8 inches of snow. A spotter near the OSU airport measured 5.3 inches, as did a public report from near New Albany and another public report from Dublin. A broadcast media report from Marble Cliff measured 5 inches of snow, as did the CoCoRaHS observer near New Rome.

Winter Weather in MADISON, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage northeast of Lafayette measured 5 inches of snow.

Winter Weather in CLARK, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: COOP Observer

The observer in Springfield measured 4.5 inches of snow. The county garage west of town measured 3.5 inches.

Winter Weather in MIAMI, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Trained Spotter

A spotter near Troy measured 2.7 inches of snow. The CoCoRaHS observer near Tipp City measured 2.6 inches, and another observer in Piqua measured 2 inches.

Winter Weather in PREBLE, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage near West Alexandria measured an inch of snow, as did the CoCoRaHS observer in Eaton.

Winter Weather in GREENE, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Xenia measured 4 inches of snow. A social media report from Fairborn showed that 3.7 inches of snow fell there, while a public report from Beavercreek showed 3.6 inches of snow there.

Winter Weather in WARREN, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: NWS Employee

A NWS employee north of Maineville measured 3.5 inches of snow. A spotter near Landen and a social media post from Harveysburg both had 3.3 inches of snow. Another NWS employee southeast of Genntown and the county garage south of Lebanon measured 3 inches of accumulation.

Winter Weather in BUTLER, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Public

Three inches of snow was reported from Hamilton, with 2.5 inches measured by a spotter in Oxford.

Winter Weather in MONTGOMERY, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: CoCoRaHS

A CoCoRaHS observer in Miamisburg measured 4.5 inches of snow. A broadcast media report from Moraine had 3.7 inches of snow, while a CoCoRaHS observer in Union measured 3 inches. The Dayton Cox Airport measured 2.7 inches of snow.

Winter Weather in CHAMPAIGN, OHIO
From 12-JAN-18 14:00:00 to 13-JAN-18 01:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Urbana measured 3 inches of snow. A cooperative observer northeast of St. Paris measured 2.2 inches.