Thunderstorms developed in a humid and unstable air mass on the northern edge of an upper level ridge. Some of the storms became severe, while other produced very heavy rain and flash flooding due to a near stationary movement.

Flash Flood in FRANKLIN, OHIO
From 28-AUG-16 17:40:00 to 28-AUG-16 19:50:00 (EST-5)
Location: DONEYS
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Cars were stranded in high water.

Flash Flood in ADAMS, OHIO
From 28-AUG-16 17:55:00 to 28-AUG-16 19:55:00 (EST-5)
Location: YOUNGSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

High water nearly one foot deep was running over county roads southwest of Seaman.

Flash Flood in FRANKLIN, OHIO
From 28-AUG-16 18:10:00 to 28-AUG-16 20:10:00 (EST-5)
Location: HANFORD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous streets were shut down on the east side of Columbus due to flooding.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 18:30:00 to 28-AUG-16 20:30:00 (EST-5)
Location: ELMWOOD PLACE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

High water was reported on several roadways, including nearly one foot deep water on the on-ramp to the Norwood Lateral from southbound I-75.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 19:05:00 to 28-AUG-16 21:05:00 (EST-5)
Location: IDLEWILD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Interstate 71 was shut down in both directions near Victory Parkway.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 19:30:00 to 28-AUG-16 21:30:00 (EST-5)
Location: HYDE PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The Norwood Lateral was shutdown by high flowing water.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 19:30:00 to 28-AUG-16 21:30:00 (EST-5)
Location: IDLEWILD
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Minor flooding was reported in several classrooms at Xavier University.

Flash Flood in MONTGOMERY, OHIO
From 28-AUG-16 19:43:00 to 28-AUG-16 21:43:00 (EST-5)
Location: AVONDALE
Flood cause: Heavy Rain
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Four cars were submerged in a flooded road at I-75 and Stanley Ave.

Flash Flood in MONTGOMERY, OHIO
From 28-AUG-16 19:45:00 to 28-AUG-16 21:45:00 (EST-5)
Location: AVONDALE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A vehicle was trapped in high water on Webster Street.

Flash Flood in GREENE, OHIO
From 28-AUG-16 20:35:00 to 28-AUG-16 22:35:00 (EST-5)
Location: XENIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

There were reports of flooded streets in Xenia. The depth of the water was ten inches.

Hail in AUGLAIZE, OHIO
From 28-AUG-16 18:21:00 to 28-AUG-16 18:25:00 (EST-5)
Location: UNIOPOLIS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in ADAMS, OHIO
From 28-AUG-16 16:55:00 to 28-AUG-16 17:00:00 (EST-5)
Location: WINCHESTER
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported knocked down.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 19:30:00 to 28-AUG-16 21:30:00 (EST-5)
Location: HYDE PARK
Flood cause: Heavy Rain
Property damage: 350.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A ground-level apartment off of Maple Avenue was completely flooded. Thirty residents were displaced.

Thunderstorm Wind in AUGLAIZE, OHIO
From 28-AUG-16 18:26:00 to 28-AUG-16 18:36:00 (EST-5)
Location: UNIOPOLIS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree was knocked down on power lines on Boundry Road.

Thunderstorm Wind in GREENE, OHIO
From 28-AUG-16 19:35:00 to 28-AUG-16 19:45:00 (EST-5)
Location: NEW GERMANY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree was knocked down.

Thunderstorm Wind in LOGAN, OHIO
From 28-AUG-16 19:35:00 to 28-AUG-16 19:44:00 (EST-5)
Location: BELLEFONTAINE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were knocked down between Bellefontaine and West Liberty.

Thunderstorm Wind in CLARK, OHIO
From 28-AUG-16 18:50:00 to 28-AUG-16 18:55:00 (EST-5)
Location: GARDEN ACRES
Magnitude: 45.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

Numerous small limbs were knocked down onto U.S. 40.

Thunderstorm Wind in CLARK, OHIO
From 28-AUG-16 19:20:00 to 28-AUG-16 19:25:00 (EST-5)
Location: SOUTH CHRLSTN GRDON
Magnitude: 45.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

One large branch was knocked down along with several small branches.

Thunderstorm Wind in HIGHLAND, OHIO
From 28-AUG-16 16:50:00 to 28-AUG-16 17:50:00 (EST-5)
Location: FOLSOM
Magnitude: 45.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree was knocked down on State Route 247.

Thunderstorm Wind in HIGHLAND, OHIO
From 28-AUG-16 17:30:00 to 28-AUG-16 17:40:00 (EST-5)
Location: BOSTON
Magnitude: 40.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Law Enforcement

One large limb was knocked down on Petersburg Road.

Thunderstorm Wind in FAYETTE, OHIO
From 28-AUG-16 19:30:00 to 28-AUG-16 19:40:00 (EST-5)
Location: JOHNSON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were knocked down on White Road near Cisco Road.

Thunderstorm Wind in FAYETTE, OHIO
From 28-AUG-16 19:40:00 to 28-AUG-16 19:50:00 (EST-5)
Location: FAYETTE CO ARPT
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were knocked down on Washington Waterloo Road.

Thunderstorm Wind in FRANKLIN, OHIO
From 28-AUG-16 17:45:00 to 28-AUG-16 17:55:00 (EST-5)
Location: HANFORD
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were knocked down.

Thunderstorm Wind in FRANKLIN, OHIO
From 28-AUG-16 18:10:00 to 28-AUG-16 18:20:00 (EST-5)
Location: SOUTH COLUMBUS
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported knocked down.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 19:30:00 to 28-AUG-16 21:30:00 (EST-5)
Location: ELMWOOD PLACE
Flood cause: Heavy Rain
Property damage: 3.50M
Crop damage: 0.00K
Reported by: Emergency Manager

Three occupied basement apartments in Norwood reported at least six feet of water in them and were categorized as destroyed. Seventeen other properties (in Norwood, Cincinnati, and St. Bernard) had major damage, mostly to lower level units, which had two to seven feet of water in them. Eight of them were located on Paddock Road and two more on Tennessee Avenue. At these locations, furnaces, water heaters and mechanical equipment were lost. Many windows were broken and carpet, furniture and personal belongings were ruined.
Six businesses were affected to varying degrees. One business is still closed, while the other 5 were closed temporarily. Over 650 structures suffered some type of minor damage, many lost their furnace, water heater, and/or washer/dryer.
Norwood Schools, Roger Bacon High School, St. Bernard Schools and Hyde Park Play School were closed due to flooding, but no long-term damage was reported.

Thunderstorm Wind in ROSS, OHIO
From 28-AUG-16 17:30:00 to 28-AUG-16 17:40:00 (EST-5)
Location: LONDONDERRY
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 20.00K
Reported by: Public

A two foot diameter tree was uprooted. Another two foot diameter tree was snapped and fell on a house. There was also widespread cornfield damage.

Thunderstorm Wind in FRANKLIN, OHIO
From 28-AUG-16 18:20:00 to 28-AUG-16 18:30:00 (EST-5)
Location: VALLEY CROSSING
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

A tree fell on power lines. In addition, a flagpole was bent/broke near the ground. Finally, numerous 1 to 2 inch branches were downed throughout the city.

Flash Flood in HAMILTON, OHIO
From 28-AUG-16 18:50:00 to 28-AUG-16 20:50:00 (EST-5)
Location: EVENDALE
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous reports of submerged vehicles in Roselawn, Bond Hill, Mt. Auburn, Reading, and East End. Some of the roadways flooded include: Glenmeadow Lane and Paddock Road at Tennessee Avenue.

Flash Flood in CLARK, OHIO
From 28-AUG-16 20:20:00 to 28-AUG-16 22:20:00 (EST-5)
Location: HUSTEAD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flooding was reported on U.S. 68 where 5 to 6 inches of flowing water was over the road.