An upper level trough of low pressure in the Mississippi Valley tracked northeast through the Ohio Valley. A strong surface low developed in eastern Kentucky. Mixed freezing rain and sleet early on on the evening of the 19th quickly transitioned to a heavy snow overnight. This system was followed by bitter cold and sub-zero wind chills.

Winter Storm in MERCER, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Broadcast Media

Media reports and surrounding observations indicate that significant snow created hazardous conditions over the county, particularly in the northeast where over 5.5 inches are estimated to have fallen.

Winter Storm in AUGLAIZE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

Six inches of snow fell on the south side of Wapakoneta according to ODOT.

Winter Storm in CHAMPAIGN, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Urbana measured 6 inches of snow, as did the cooperative observer northeast of St. Paris.

Winter Storm in CLARK, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Trained Spotter

Spotters in Enon and Springfield both measured 4 inches of snow. Combined with periods of freezing rain and sleet, numerous reports of road issues were received.

Winter Storm in GREENE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Xenia measured 5 inches of snow. While other reports across the county were generally between 3 and 4 inches, periods of freezing rain and sleet combined with this snow created significant hazards across the county.

Winter Storm in LICKING, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: CoCoRaHS

The observer north of Granville measured 5.5 inches of snow. A level 3 snow emergency was declared, limiting travel to essential personnel only.

Winter Storm in MADISON, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Unknown

Based on surrounding observations and reports, significant disruptions across the county occurred due to the storm.

Winter Storm in HARDIN, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: CoCoRaHS

The observer in Kenton measured 7.3 inches of snow.

Winter Storm in LOGAN, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Bellefontaine measured 9 inches of snow. A spotter in Quincy measured 7 inches, along with some icy accumulations.

Winter Storm in PREBLE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Law Enforcement

A level 3 snow emergency was declared, limiting travel to only essential personnel. Nearby observations and reports showed that significant disruptions resulted from this storm.

Winter Storm in MIAMI, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Trained Spotter

A spotter north of Troy measured 6.7 inches of snow. The CoCoRaHS observer near Tipp City measured 6.5 inches, and ODOT measured 6 at the county garage west of Troy.

Winter Storm in MONTGOMERY, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: NWS Employee

An employee south of Miamisburg measured 4.5 inches of snow. While most reports across the county were in the 3 to 4 inch range, this was due to freezing rain and sleet  lowering the total amounts. Significant disruptions occurred due to multiple slideoffs and road closures across the area.

Winter Storm in HIGHLAND, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The cooperative observer in Hillsboro measured 3 inches of snow, while the highway department measured 4 just east of the city.

Winter Weather in ROSS, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage near North Fork Village measured 3 inches of snow. The CoCoRaHS observer located 4 miles northwest of North Fork Village measured 2.7 inches.

Winter Weather in BROWN, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: NWS Employee

A NWS employee near Fayetteville measured 3.2 inches of snow, while the county garage near Georgetown measured 2.5 inches of snow.

Winter Weather in ADAMS, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage near West Union measured 2 inches of snow, and a cooperative observer 6 miles east of West Union measured 1.5 inches.

Winter Weather in PIKE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: COOP Observer

The cooperative observer in Waverly measured 2 inches of snow, as did the county garage north of Wakefield.

Winter Weather in SCIOTO, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Emergency Manager

The EMA in Sciotodale measured 2.2 inches of snow, while the CoCoRaHS observer in Lucasville and the highway department south of Lucasville both measured 2 inches.

Winter Storm in CLINTON, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: COOP Observer

The observer 3 miles north of Wilmington received 4.2 inches of snow, while the cooperative observer and NWS employee 2 miles north of Wilmington measured 3 inches. The NWS office measured 3.4 inches of snow.

Winter Storm in CLERMONT, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: CoCoRaHS

The CoCoRaHS observer 3 miles west of Bethel received 3.8 inches of snow. A public report in Summerside showed that 3.7 inches fell, while ODOT measured 3.5 inches near Amelia.

Winter Storm in FRANKLIN, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Trained Spotter

A spotter northwest of Lincoln Village measured 6.5 inches of snow. Amounts over the rest of the county were generally less than 5 inches due to freezing rain, which caused additional disruptions.

Winter Storm in FAYETTE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Washington Court House measured 4 inches of snow. Icy accumulations also occurred with freezing rain and sleet, creating hazardous conditions across the county.

Winter Storm in PICKAWAY, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: COOP Observer

The observer in Circleville measured 1.7 inches of snow. Based on nearby reports and observations, ice and snow created hazardous conditions across the county, with locally higher snowfall amounts.

Winter Storm in BUTLER, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Trained Spotter

A spotter in Liberty Township reported 6 inches of snow.

Winter Storm in HAMILTON, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Trained Spotter

A spotter in Colerain reported 6 inches of snow while another in Groesbeck reported 5.7 inches. Periods of sleet and freezing rain cut down on overall snow totals, and thundersnow was observed.

Winter Storm in WARREN, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: NWS Employee

A NWS employee near Maineville reported 3.7 inches of snow. Most reports around the county were around 3 inches, due to being cut down by periods of freezing rain and some sleet.

Winter Storm in SHELBY, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: CoCoRaHS

The observer in Fort Loramie measured 5 inches of snow, while another in Lockington measured 4.4 inches. Nearby observations and reports showed that significant disruptions resulted from this storm, along with locally higher snowfall totals.

Winter Storm in DARKE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: CoCoRaHS

The observer west of Potsdam measured 4.5 inches of snow, while the county garage in Greenville measured 4 inches. Nearby observations and reports showed that significant disruptions resulted from this storm, along with locally higher snowfall totals.

Winter Storm in UNION, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage in Marysville measured 6 inches of snow. A level 3 snow emergency was declared, limiting travel to essential personnel only.

Winter Storm in DELAWARE, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage east of Delaware measured 7 inches of snow. A level 3 snow emergency was declared, limiting travel to essential personnel only.

Winter Storm in FAIRFIELD, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage south of Lancaster measured 4 inches of snow. Icy accumulations also occurred with freezing rain and sleet, creating hazardous conditions across the county.

Winter Storm in HOCKING, OHIO
From 19-JAN-19 21:00:00 to 20-JAN-19 12:00:00 (EST-5)
Reported by: Department of Highways

The county garage reported 5 inches of snow near Lake Logan State Park. The cooperative observer reported 4.8 inches in Logan.