Numerous thunderstorms developed during the afternoon heating south of a warm front. Some of these storms became severe during the afternoon and lasted into the evening. The main threats from these storms were large hail and isolated damaging winds. A few of these storms occurred over the same locations repeatedly, causing flash flooding to occur.

Hail in SHELBY, OHIO
From 10-APR-13 18:06:00 to 10-APR-13 18:10:00 (EST-5)
Location: SWANDERS
Magnitude: 0.75 
Reported by: Amateur Radio

Hail in LOGAN, OHIO
From 10-APR-13 20:15:00 to 10-APR-13 20:19:00 (EST-5)
Location: BELLEFONTAINE
Magnitude: 0.88 
Reported by: Trained Spotter

Thunderstorm Wind in DARKE, OHIO
From 10-APR-13 17:42:00 to 10-APR-13 17:46:00 (EST-5)
Location: VERSAILLES
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Trees were downed in the area due to damaging thunderstorm winds.

Thunderstorm Wind in FRANKLIN, OHIO
From 10-APR-13 18:22:00 to 10-APR-13 18:26:00 (EST-5)
Location: COLUMBUS
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Roofing materials were removed from several buildings, a gutter was blown down, power lines were downed, and fencing was partially blown over in northeastern Columbus due to damaging thunderstorm winds. These winds also blew a large tree down onto a house on Schleppi Road.

Flash Flood in AUGLAIZE, OHIO
From 10-APR-13 18:30:00 to 10-APR-13 19:30:00 (EST-5)
Location: ST MARYS
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was reported flowing over roads east of State Route 364 south of St. Marys due to heavy rainfall.

Flash Flood in MERCER, OHIO
From 10-APR-13 18:30:00 to 10-APR-13 19:30:00 (EST-5)
Location: MARIA STEIN
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roads were flooded across the southern portions of the county due to heavy rainfall.

Flash Flood in SHELBY, OHIO
From 10-APR-13 19:30:00 to 10-APR-13 20:30:00 (EST-5)
Location: MONTRA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water was reported flowing over roads across northern Shelby County due to heavy rainfall.

Hail in AUGLAIZE, OHIO
From 10-APR-13 14:29:00 to 10-APR-13 14:33:00 (EST-5)
Location: CRIDERSVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in AUGLAIZE, OHIO
From 10-APR-13 14:30:00 to 10-APR-13 14:34:00 (EST-5)
Location: WAPAKONETA
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in AUGLAIZE, OHIO
From 10-APR-13 14:35:00 to 10-APR-13 14:39:00 (EST-5)
Location: BUCKLAND
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in AUGLAIZE, OHIO
From 10-APR-13 14:45:00 to 10-APR-13 14:49:00 (EST-5)
Location: NEW BREMEN
Magnitude: 1.00 
Reported by: CoCoRaHS

Hail in SHELBY, OHIO
From 10-APR-13 14:55:00 to 10-APR-13 14:59:00 (EST-5)
Location: BOTKINS
Magnitude: 1.50 
Reported by: CoCoRaHS

Hail in SHELBY, OHIO
From 10-APR-13 15:00:00 to 10-APR-13 15:04:00 (EST-5)
Location: BOTKINS
Magnitude: 1.25 
Reported by: Trained Spotter

Hail in LOGAN, OHIO
From 10-APR-13 15:17:00 to 10-APR-13 15:21:00 (EST-5)
Location: LAKEVIEW VAN HORN AR
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in LOGAN, OHIO
From 10-APR-13 15:23:00 to 10-APR-13 15:27:00 (EST-5)
Location: BELLE CENTER
Magnitude: 1.00 
Reported by: Public

Hail in AUGLAIZE, OHIO
From 10-APR-13 16:54:00 to 10-APR-13 16:58:00 (EST-5)
Location: BUCKLAND
Magnitude: 1.75 
Reported by: Public

Hail in AUGLAIZE, OHIO
From 10-APR-13 17:03:00 to 10-APR-13 17:07:00 (EST-5)
Location: WAPAKONETA
Magnitude: 0.75 
Reported by: Trained Spotter