A squall line developed ahead of an ejecting upper system over the lower Ohio Valley and raced northeast into the region. A second squall line developed and trailed the first one by an hour or so.

Thunderstorm Wind in PREBLE, OHIO
From 23-DEC-15 17:00:00 to 23-DEC-15 17:04:00 (EST-5)
Location: EATON
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Amateur Radio

One large tree was knocked down.

Thunderstorm Wind in PREBLE, OHIO
From 23-DEC-15 17:00:00 to 23-DEC-15 17:04:00 (EST-5)
Location: CAMDEN
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A large tree fell onto a house.

Thunderstorm Wind in DARKE, OHIO
From 23-DEC-15 17:05:00 to 23-DEC-15 17:09:00 (EST-5)
Location: PITSBURG
Magnitude: 52.00 EG
Property damage: 16.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The roof was blown off a building, along with numerous large trees being knocked down onto roadways and power lines.

Thunderstorm Wind in PREBLE, OHIO
From 23-DEC-15 17:05:00 to 23-DEC-15 17:09:00 (EST-5)
Location: EL DORADO
Magnitude: 52.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A portion of a roof was blown off a home in El Dorado.

Thunderstorm Wind in MIAMI, OHIO
From 23-DEC-15 17:23:00 to 23-DEC-15 17:27:00 (EST-5)
Location: LAURA
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A barn was destroyed by the wind.

Thunderstorm Wind in MIAMI, OHIO
From 23-DEC-15 17:23:00 to 23-DEC-15 17:27:00 (EST-5)
Location: PLEASANT HILL
Magnitude: 52.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple buildings were damaged at 1845 North Rangeline Road.

Thunderstorm Wind in PREBLE, OHIO
From 23-DEC-15 17:40:00 to 23-DEC-15 17:44:00 (EST-5)
Location: EATON
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Amateur Radio

One large tree was knocked down.

Thunderstorm Wind in WARREN, OHIO
From 23-DEC-15 17:45:00 to 23-DEC-15 17:49:00 (EST-5)
Location: OTTERBEIN
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were knocked down.

Thunderstorm Wind in CHAMPAIGN, OHIO
From 23-DEC-15 17:55:00 to 23-DEC-15 17:59:00 (EST-5)
Location: NORTHVILLE
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree fell onto a car.

Thunderstorm Wind in BUTLER, OHIO
From 23-DEC-15 16:54:00 to 23-DEC-15 16:58:00 (EST-5)
Location: OXFORD MIAMI UNIV AR
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in BUTLER, OHIO
From 23-DEC-15 17:19:00 to 23-DEC-15 17:23:00 (EST-5)
Location: OXFORD MIAMI UNIV AR
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in CLERMONT, OHIO
From 27-DEC-15 20:16:00 to 27-DEC-15 20:23:00 (EST-5)
Location: MOSCOW
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported knocked down in Felicity, Moscow and Bethel.

Thunderstorm Wind in LOGAN, OHIO
From 23-DEC-15 17:58:00 to 23-DEC-15 18:02:00 (EST-5)
Location: WEST LIBERTY
Magnitude: 50.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was knocked down near the intersection of Township Rd. 30 and County Road 18.

Thunderstorm Wind in PREBLE, OHIO
From 23-DEC-15 17:05:00 to 23-DEC-15 17:09:00 (EST-5)
Location: EL DORADO
Magnitude: 52.00 EG
Property damage: 6.50K
Crop damage: 0.00K
Reported by: Amateur Radio

A barn was partially knocked down at the intersection of Maple and Victoria Streets. Also the top 4 feet of a 2 foot diameter tree was broken off.

Thunderstorm Wind in PREBLE, OHIO
From 23-DEC-15 17:07:00 to 23-DEC-15 17:11:00 (EST-5)
Location: CAMDEN
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were knocked down across Preble County, including near the intersection of Ohio Route 725 and Upper Somers Road.

Tornado in DARKE, OHIO
From 23-DEC-15 17:12:00 to 23-DEC-15 17:15:00 (EST-5)
Location: PITSBURG
Tornado F-scale: EF0
Property damage: 6.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A damage survey conducted near Ohio Route 49 east of Arcanum, confirmed that an EF0 tornado briefly touched down and lifted up the roof of a large metal building, lofting a portion of the roof onto a nearby car and scattering debris along the property.