Strong to severe thunderstorms, with very heavy rainfall, developed ahead of a cold front.

Tornado in BROWN, OHIO
From 25-FEB-18 00:13:00 to 25-FEB-18 00:18:00 (EST-5)
Location: HAMERSVILLE
Tornado F-scale: EF1
Property damage: 65.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado is first believed to have touched down near Lucas Road, about one mile northeast of Hamersville. More significant damage was observed near the intersection of White Oak Valley Road and Smokey Row Road, where a well-built home suffered partial roof loss and additional loss of roofing material. At another property on White Oak Valley Road, a trailer was flipped over. Tree damage was extensive along Smokey Row Road, especially near its intersection with Vinegar Hill Road.
On New Hope-McKinley Road, about a half mile east of U.S. 68, a mobile home had its roof completely removed. Debris from this roof was observed thrown about 500 yards downstream (northeast) of its origin. Additional tree damage was observed along New Hope-White Oak Station Road.
In addition to the tornadic damage described above, the National Weather Service storm survey observed non-tornadic damage across a much wider area. This area of damage extended about 13 miles in length, stretching from far southeastern Clermont County through north central Brown County. This straight-line wind damage affected areas near Feesburg and Hamersville, and was observed on both sides of the surveyed tornadic circulation. This damage consisted of additional tree and outbuilding damage, including the destruction of a few outbuildings.

Thunderstorm Wind in CLINTON, OHIO
From 25-FEB-18 00:24:00 to 25-FEB-18 00:29:00 (EST-5)
Location: JONESBORO
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

A twenty-five to thirty foot flag pole was reported bent over. Also a garden windmill was knocked down, while a van window was broken from flying debris.

Thunderstorm Wind in HIGHLAND, OHIO
From 25-FEB-18 00:30:00 to 25-FEB-18 00:35:00 (EST-5)
Location: HOAGLAND
Magnitude: 45.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

A tree was knocked down near Anderson Rd and State Route 134.

Thunderstorm Wind in HIGHLAND, OHIO
From 25-FEB-18 00:44:00 to 25-FEB-18 00:49:00 (EST-5)
Location: BOSTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

A barn roof was damaged on Overman Rd., between U.S. 50 and Petersburg Rd.

Thunderstorm Wind in CLERMONT, OHIO
From 25-FEB-18 00:02:00 to 25-FEB-18 00:10:00 (EST-5)
Location: NEVILLE
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous trees were damaged along with some outbuildings.

Thunderstorm Wind in ADAMS, OHIO
From 25-FEB-18 00:10:00 to 25-FEB-18 00:20:00 (EST-5)
Location: EMERALD
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous trees were damaged along with some outbuildings.

Thunderstorm Wind in HIGHLAND, OHIO
From 25-FEB-18 00:30:00 to 25-FEB-18 00:35:00 (EST-5)
Location: SUGAR TREE RIDGE
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

Two homes received roof damage.

Flood in SHELBY, OHIO
From 25-FEB-18 17:40:00 to 25-FEB-18 17:45:00 (EST-5)
Location: PASCO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Three children were playing by Mosquito Creek. The bank of Mosquito Creek gave way and a boy fell into the creek and drowned. M6IW.

Flood in CHAMPAIGN, OHIO
From 24-FEB-18 23:55:00 to 25-FEB-18 01:55:00 (EST-5)
Location: BOWLUSVILLE
Flood cause: Heavy Rain
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A vehicle hydroplaned and went into a ditch. The water carried the vehicle downstream. The occupant was able to exit the vehicle before it was carried away.

Flash Flood in HAMILTON, OHIO
From 24-FEB-18 21:17:00 to 24-FEB-18 23:17:00 (EST-5)
Location: IDLEWILD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Water was flowing down Dorchester Avenue near Reading Road in Cincinnati.

Flash Flood in WARREN, OHIO
From 24-FEB-18 23:17:00 to 25-FEB-18 00:17:00 (EST-5)
Location: HAGEMAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple roads were closed throughout the county due to high water, including Morrow-Milgrove Rd, Lower Springboro Rd, South Pioneer Blvd and Corwin Road.

Flash Flood in WARREN, OHIO
From 25-FEB-18 00:10:00 to 25-FEB-18 01:10:00 (EST-5)
Location: UNION VLG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several inches of water was flowing on Mason-Montgomery Rd. south of Hamilton Rd.

Flood in GREENE, OHIO
From 24-FEB-18 23:30:00 to 25-FEB-18 01:30:00 (EST-5)
Location: FAIRBORN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hebble Creek was reported out of its banks.

Flood in CLARK, OHIO
From 25-FEB-18 11:30:00 to 25-FEB-18 13:30:00 (EST-5)
Location: MEDWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

High water was reported over a portion of Spangler Road by Restoration Park Church.

Tornado in CLERMONT, OHIO
From 25-FEB-18 00:03:00 to 25-FEB-18 00:06:00 (EST-5)
Location: MOSCOW
Tornado F-scale: EF1
Property damage: 85.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado is believed to have first touched down on Neville Penn Schoolhouse Road about halfway between Felicity and Neville. Tree damage in this area was very extensive, with many trees uprooted and others snapped. In addition, a mobile home was destroyed. Damage continued further northeast on Neville-Penn Schoolhouse Road, with debris from one damaged structure observed blown against a fence line and into the nearby trees. A few other structures on Neville-Penn Schoolhouse Road suffered roof damage, including two barns which had partial roof removal. Additional tree damage was observed further northeast, with a few trees snapped north of OH-756.