A slow moving frontal boundary combined with a moist environment to produce scattered severe storms and localized flash flooding.

Thunderstorm Wind in HARDIN, OHIO
From 11-JUL-17 00:30:00 to 11-JUL-17 00:34:00 (EST-5)
Location: KENTON
Magnitude: 45.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several large branches and power lines were downed throughout the city of Kenton.

Flash Flood in AUGLAIZE, OHIO
From 11-JUL-17 00:00:00 to 11-JUL-17 01:00:00 (EST-5)
Location: CRIDERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High water was reported along Hauss Road.

Flash Flood in AUGLAIZE, OHIO
From 11-JUL-17 00:00:00 to 11-JUL-17 01:00:00 (EST-5)
Location: WAPAKONETA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High water was reported at the intersection of State Route 501 and Infirmary Road.

Thunderstorm Wind in FAYETTE, OHIO
From 11-JUL-17 02:12:00 to 11-JUL-17 02:18:00 (EST-5)
Location: JEFFERSONVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees were downed in the Jeffersonville area.

Thunderstorm Wind in FAYETTE, OHIO
From 11-JUL-17 02:45:00 to 11-JUL-17 02:47:00 (EST-5)
Location: MANARA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A barn was destroyed on Bloomingburg New Holland Road.

Flash Flood in MADISON, OHIO
From 11-JUL-17 03:30:00 to 11-JUL-17 04:30:00 (EST-5)
Location: BURR OAKS HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was covering Oday Harrison Road.

Hail in GREENE, OHIO
From 11-JUL-17 08:55:00 to 11-JUL-17 08:57:00 (EST-5)
Location: BELLEVIEW ACRES
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BUTLER, OHIO
From 11-JUL-17 13:25:00 to 11-JUL-17 13:35:00 (EST-5)
Location: OXFORD
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were downed in the Oxford area.

Thunderstorm Wind in PREBLE, OHIO
From 11-JUL-17 13:35:00 to 11-JUL-17 13:37:00 (EST-5)
Location: EATON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous tree limbs were downed.

Thunderstorm Wind in PREBLE, OHIO
From 11-JUL-17 13:33:00 to 11-JUL-17 13:35:00 (EST-5)
Location: NEW PARIS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown onto State Route 320.

Thunderstorm Wind in PREBLE, OHIO
From 11-JUL-17 13:35:00 to 11-JUL-17 13:37:00 (EST-5)
Location: EATON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was downed near State Route 122.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-17 13:45:00 to 11-JUL-17 14:05:00 (EST-5)
Location: DAHIO ARPT
Magnitude: 60.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Department of Highways

Widespread tree and power line damage occurred across Montgomery County with the heaviest damage along and west of Interstate 75, especially in Perry Township. DP&L reported that around 25,000 customers were without power in Montgomery County after the storm.

Thunderstorm Wind in PREBLE, OHIO
From 11-JUL-17 13:35:00 to 11-JUL-17 13:37:00 (EST-5)
Location: HAMBURG
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A semi-truck was blown over on US Route 127.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-17 14:12:00 to 11-JUL-17 14:15:00 (EST-5)
Location: DAYTON MORAINE ARPK
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several trees were downed near Burns Avenue.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-17 14:10:00 to 11-JUL-17 14:12:00 (EST-5)
Location: MIAMISBURG
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Several large pieces of siding were stripped from a house.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-17 14:10:00 to 11-JUL-17 14:12:00 (EST-5)
Location: MIAMISBURG
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Several large pieces of siding were stripped from a house.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-17 14:35:00 to 11-JUL-17 14:37:00 (EST-5)
Location: KETTERING
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A tree was downed.

Thunderstorm Wind in MONTGOMERY, OHIO
From 11-JUL-17 13:59:00 to 11-JUL-17 14:00:00 (EST-5)
Location: DODSON
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Measured on an ODOT wind sensor. Another 58 mph gust was measured at 1405 EST.

Thunderstorm Wind in GREENE, OHIO
From 11-JUL-17 09:43:00 to 11-JUL-17 09:47:00 (EST-5)
Location: JAMESTOWN
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Several trees were downed at a property on Jamestown Road.