An approaching shortwave trough combined with ample instability in a warm and moist air mass across Ohio and Northern Kentucky during the afternoon. This led to the development of severe thunderstorms that also produced flash flooding across central Ohio and Northern Kentucky into the evening hours. The main severe weather threats were large hail, damaging winds, and flash flooding.

Thunderstorm Wind in PIKE, OHIO
From 21-JUN-11 16:58:00 to 21-JUN-11 16:59:00 (EST-5)
Location: PIKETON
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in SCIOTO, OHIO
From 21-JUN-11 16:23:00 to 21-JUN-11 16:27:00 (EST-5)
Location: ROSEMOUNT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were reported down due to damaging thunderstorm winds.

Hail in SCIOTO, OHIO
From 21-JUN-11 16:40:00 to 21-JUN-11 16:44:00 (EST-5)
Location: MINFORD
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in SCIOTO, OHIO
From 21-JUN-11 16:18:00 to 21-JUN-11 16:22:00 (EST-5)
Location: WEST PORTSMOUTH
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in SCIOTO, OHIO
From 21-JUN-11 16:36:00 to 21-JUN-11 16:40:00 (EST-5)
Location: BEAR CREEK
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were reported down due to damaging thunderstorm winds.

Hail in AUGLAIZE, OHIO
From 21-JUN-11 16:36:00 to 21-JUN-11 16:40:00 (EST-5)
Location: WAPAKONETA
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in PIKE, OHIO
From 21-JUN-11 17:15:00 to 21-JUN-11 17:19:00 (EST-5)
Location: WAVERLY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Large tree limbs were broken due to damaging thunderstorm winds.

Thunderstorm Wind in PIKE, OHIO
From 21-JUN-11 16:58:00 to 21-JUN-11 17:02:00 (EST-5)
Location: PIKETON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in FRANKLIN, OHIO
From 21-JUN-11 17:35:00 to 21-JUN-11 17:39:00 (EST-5)
Location: HILLIARD
Magnitude: 50.00 EG
Property damage: 11.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was reported down on top of a car due to damaging thunderstorm winds.

Thunderstorm Wind in ROSS, OHIO
From 21-JUN-11 17:35:00 to 21-JUN-11 17:39:00 (EST-5)
Location: CHLLCTH ROSS CO ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down due to damaging thunderstorm winds.

Thunderstorm Wind in ROSS, OHIO
From 21-JUN-11 17:31:00 to 21-JUN-11 17:35:00 (EST-5)
Location: CHILLICOTHE
Magnitude: 60.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and utility poles were reported down due to damaging thunderstorm winds.

Hail in ROSS, OHIO
From 21-JUN-11 17:47:00 to 21-JUN-11 17:51:00 (EST-5)
Location: CHILLICOTHE
Magnitude: 0.75 
Reported by: Public

Thunderstorm Wind in CLERMONT, OHIO
From 21-JUN-11 15:19:00 to 21-JUN-11 15:23:00 (EST-5)
Location: WILLIAMSBURG
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in CLERMONT, OHIO
From 21-JUN-11 15:09:00 to 21-JUN-11 15:13:00 (EST-5)
Location: BATAVIA
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were reported down due to damaging thunderstorm winds.

Hail in BROWN, OHIO
From 21-JUN-11 16:23:00 to 21-JUN-11 16:28:00 (EST-5)
Location: GEORGETOWN
Magnitude: 0.88 
Reported by: Public

Thunderstorm Wind in BROWN, OHIO
From 21-JUN-11 16:30:00 to 21-JUN-11 16:34:00 (EST-5)
Location: GEORGETOWN
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in BROWN, OHIO
From 21-JUN-11 15:32:00 to 21-JUN-11 15:36:00 (EST-5)
Location: MT ORAB
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down due to damaging thunderstorms winds.

Thunderstorm Wind in HOCKING, OHIO
From 21-JUN-11 18:07:00 to 21-JUN-11 18:11:00 (EST-5)
Location: LOGAN
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in PICKAWAY, OHIO
From 21-JUN-11 17:59:00 to 21-JUN-11 18:01:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Trees and power lines were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in LICKING, OHIO
From 21-JUN-11 18:40:00 to 21-JUN-11 18:41:00 (EST-5)
Location: HEATH
Magnitude: 52.00 EG
Reported by: Public

The public estimated the gust.

Thunderstorm Wind in FAIRFIELD, OHIO
From 21-JUN-11 18:27:00 to 21-JUN-11 18:31:00 (EST-5)
Location: BALTIMORE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down due to damaging thunderstorm winds.

Thunderstorm Wind in FRANKLIN, OHIO
From 21-JUN-11 17:58:00 to 21-JUN-11 18:02:00 (EST-5)
Location: WESTERVILLE
Magnitude: 52.00 MG
Reported by: Trained Spotter

Thunderstorm Wind in LICKING, OHIO
From 21-JUN-11 19:00:00 to 21-JUN-11 19:05:00 (EST-5)
Location: HANOVER
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two trees were reported down due to damaging thunderstorm winds.

Flash Flood in CLERMONT, OHIO
From 21-JUN-11 16:25:00 to 21-JUN-11 18:30:00 (EST-5)
Location: BETHEL
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

High water was reported over numerous roads. Many locations experienced several inches of flowing water. These occurrences were due to heavy rain.

Flash Flood in CLERMONT, OHIO
From 21-JUN-11 16:25:00 to 21-JUN-11 19:00:00 (EST-5)
Location: PT ISABEL
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Water was flowing over roadways due to heavy rain.

Flash Flood in HAMILTON, OHIO
From 21-JUN-11 16:26:00 to 21-JUN-11 18:00:00 (EST-5)
Location: MT WASHINGTON
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Water was reported over roadways due to heavy rainfall.

Flash Flood in HAMILTON, OHIO
From 21-JUN-11 15:31:00 to 21-JUN-11 18:00:00 (EST-5)
Location: CHERRY GROVE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Water was flowing over roadways due to heavy rain.

Flash Flood in CLERMONT, OHIO
From 21-JUN-11 15:50:00 to 21-JUN-11 18:00:00 (EST-5)
Location: TOBASCO
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was reported over roadways and one road was washed away due to heavy rainfall.

Flash Flood in CLERMONT, OHIO
From 21-JUN-11 15:30:00 to 21-JUN-11 18:15:00 (EST-5)
Location: AMELIA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Water was flowing over streets due to heavy rain.

Flash Flood in BROWN, OHIO
From 21-JUN-11 17:40:00 to 21-JUN-11 18:30:00 (EST-5)
Location: HAMERSVILLE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Water was reported flowing over several roads due to heavy rain.

Flood in CLERMONT, OHIO
From 21-JUN-11 18:13:00 to 21-JUN-11 21:00:00 (EST-5)
Location: AMELIA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Water continued over roadways due to previous flash flooding.

Flood in CLERMONT, OHIO
From 21-JUN-11 18:53:00 to 21-JUN-11 21:30:00 (EST-5)
Location: PT ISABEL
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Water was reported over roadways due to previous flash flooding.