High heat and humidity combined with a weak shortwave to produce a mesoscale convective system across the Ohio Valley during the afternoon. Outflow ahead of this system produced severe supercells. The main severe weather threats from these storms were damaging winds and large hail.

Thunderstorm Wind in LICKING, OHIO
From 11-JUL-11 13:35:00 to 11-JUL-11 13:39:00 (EST-5)
Location: KIRKERSVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees and power lines were reported down due to damaging thunderstorm winds.

Hail in FAIRFIELD, OHIO
From 11-JUL-11 13:55:00 to 11-JUL-11 13:59:00 (EST-5)
Location: MILLERSPORT
Magnitude: 0.75 
Reported by: Trained Spotter

Thunderstorm Wind in CLARK, OHIO
From 11-JUL-11 14:10:00 to 11-JUL-11 14:14:00 (EST-5)
Location: SPRINGFIELD
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down. Power poles were snapped off four feet above the ground. Both occurrences were due to damaging thunderstorm winds.

Hail in CLARK, OHIO
From 11-JUL-11 14:15:00 to 11-JUL-11 14:27:00 (EST-5)
Location: LIMECREST
Magnitude: 0.88 
Reported by: Public

Hail in MADISON, OHIO
From 11-JUL-11 14:30:00 to 11-JUL-11 14:34:00 (EST-5)
Location: SOUTH SOLON
Magnitude: 1.75 
Reported by: Public

Hail in FAYETTE, OHIO
From 11-JUL-11 14:46:00 to 11-JUL-11 14:50:00 (EST-5)
Location: WASHINGTON COURT HOU
Magnitude: 0.88 
Reported by: Public

Hail in FAYETTE, OHIO
From 11-JUL-11 14:48:00 to 11-JUL-11 15:03:00 (EST-5)
Location: JEFFERSONVILLE
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in FAYETTE, OHIO
From 11-JUL-11 15:06:00 to 11-JUL-11 15:10:00 (EST-5)
Location: WASHINGTON COURT HOU
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in CLINTON, OHIO
From 11-JUL-11 15:29:00 to 11-JUL-11 15:30:00 (EST-5)
Location: SABINA
Magnitude: 1.25 
Reported by: Trained Spotter

Thunderstorm Wind in HARDIN, OHIO
From 11-JUL-11 12:15:00 to 11-JUL-11 12:19:00 (EST-5)
Location: ADA
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 LOGAN, OHIO
From 11-JUL-11 12:40:00 to 11-JUL-11 12:44:00 (EST-5)
Location: LAKEVIEW
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

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

Thunderstorm Wind in UNION, OHIO
From 11-JUL-11 13:00:00 to 11-JUL-11 13:04:00 (EST-5)
Location: MARYSVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees and power lines were reported down due to damaging thunderstorm winds.

Thunderstorm Wind in SCIOTO, OHIO
From 11-JUL-11 16:15:00 to 11-JUL-11 16:19:00 (EST-5)
Location: ROSEMOUNT
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down in Rosemount and numerous other places in the area due to damaging thunderstorm winds.

Hail in SCIOTO, OHIO
From 11-JUL-11 17:21:00 to 11-JUL-11 17:36:00 (EST-5)
Location: PORTSMOUTH
Magnitude: 0.88 
Reported by: Public

Hail in HIGHLAND, OHIO
From 11-JUL-11 15:55:00 to 11-JUL-11 16:10:00 (EST-5)
Location: HILLSBORO
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in LICKING, OHIO
From 11-JUL-11 13:20:00 to 11-JUL-11 13:21:00 (EST-5)
Location: JOHNSTOWN
Magnitude: 58.00 MG
Reported by: Trained Spotter

Hail in MIAMI, OHIO
From 11-JUL-11 13:30:00 to 11-JUL-11 13:34:00 (EST-5)
Location: LENA
Magnitude: 0.88 
Reported by: Public

Hail in CLARK, OHIO
From 11-JUL-11 14:00:00 to 11-JUL-11 14:04:00 (EST-5)
Location: SPRINGFIELD
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in HIGHLAND, OHIO
From 11-JUL-11 16:00:00 to 11-JUL-11 16:04:00 (EST-5)
Location: HILLSBORO
Magnitude: 1.50 
Reported by: Broadcast Media