Showers and thunderstorms entered northwest Ohio during the late afternoon hours on the 29th. A frontal boundary oriented west-east along the southern Great Lakes aided in the development of the severe weather. High dew points, warm temperatures, and high instability along and near the frontal boundary also supported the development of severe thunderstorms which tracked east across northern Ohio for several hours that evening.

Thunderstorm Wind in CUYAHOGA, OHIO
From 29-MAY-11 18:30:00 to 29-MAY-11 18:30:00 (EST-5)
Location: OLMSTED FALLS
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds downed several trees along MacKenzie Road in North Olmsted.

Thunderstorm Wind in CUYAHOGA, OHIO
From 29-MAY-11 18:35:00 to 29-MAY-11 18:35:00 (EST-5)
Location: MIDDLEBURGH HGTS
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds toppled a large tree in Middleburg Heights.  A house was cut in half by the fallen tree.  The house sustained enough damage to be classified as being destroyed.

Thunderstorm Wind in LUCAS, OHIO
From 29-MAY-11 16:50:00 to 29-MAY-11 16:50:00 (EST-5)
Location: TOLEDO
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed an 18-inch diameter tree onto a vehicle. The vehicle sustained significant damage.

Thunderstorm Wind in ASHTABULA, OHIO
From 29-MAY-11 19:35:00 to 29-MAY-11 19:35:00 (EST-5)
Location: ORWELL
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a few large trees.

Hail in TRUMBULL, OHIO
From 29-MAY-11 19:58:00 to 29-MAY-11 19:58:00 (EST-5)
Location: VIENNA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced nickel size hail.

Thunderstorm Wind in TRUMBULL, OHIO
From 29-MAY-11 19:50:00 to 29-MAY-11 19:50:00 (EST-5)
Location: CORTLAND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm spotter estimated a wind gust of 60mph with this thunderstorm.

Hail in CUYAHOGA, OHIO
From 29-MAY-11 18:50:00 to 29-MAY-11 18:50:00 (EST-5)
Location: BRECKSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced quarter size hail.

Hail in SANDUSKY, OHIO
From 29-MAY-11 16:39:00 to 29-MAY-11 16:39:00 (EST-5)
Location: LINDSEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced quarter size hail.

Thunderstorm Wind in SANDUSKY, OHIO
From 29-MAY-11 17:20:00 to 29-MAY-11 17:20:00 (EST-5)
Location: FREMONT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed a large tree limb.

Hail in ASHTABULA, OHIO
From 29-MAY-11 19:14:00 to 29-MAY-11 19:14:00 (EST-5)
Location: ASHTABULA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorms produced nickel size hail.

Hail in ERIE, OHIO
From 29-MAY-11 17:05:00 to 29-MAY-11 17:05:00 (EST-5)
Location: HURON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorms produced quarter size hail.

Thunderstorm Wind in LORAIN, OHIO
From 29-MAY-11 18:15:00 to 29-MAY-11 18:15:00 (EST-5)
Location: SHEFFIELD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorms downed several large trees.

Thunderstorm Wind in LUCAS, OHIO
From 29-MAY-11 16:50:00 to 29-MAY-11 16:52:00 (EST-5)
Location: TOLEDO
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed several large trees.

Thunderstorm Wind in LUCAS, OHIO
From 29-MAY-11 16:37:00 to 29-MAY-11 16:39:00 (EST-5)
Location: HOLLAND
Magnitude: 50.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds downed numerous large trees and large tree branches in the area. One garage and the contents inside, including two motorcycles, were damaged as a result of the downed trees. A home was damaged by as a large tree was downed by thunderstorm winds.

Thunderstorm Wind in WOOD, OHIO
From 29-MAY-11 17:00:00 to 29-MAY-11 17:00:00 (EST-5)
Location: PORTAGE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed a large tree.

Thunderstorm Wind in OTTAWA, OHIO
From 29-MAY-11 17:28:00 to 29-MAY-11 17:28:00 (EST-5)
Location: PORT CLINTON
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Damaging thunderstorm winds hit the area during the Annual Walleye Festival. Thunderstorm winds downed a large entertainment tent in Port Clinton. Between 25 and 30 people were trapped beneath the collapsed tent. The incident resulted in a total of five people sustaining minor injuries. Three individuals were transported to Magruder Hospital, while two others walked to the hospital.

Hail in OTTAWA, OHIO
From 29-MAY-11 17:37:00 to 29-MAY-11 17:37:00 (EST-5)
Location: CATAWBA IS
Magnitude: 1.75 
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorms produced golf ball size hail. Vehicles and homes were damaged during this event.

Thunderstorm Wind in LORAIN, OHIO
From 29-MAY-11 18:20:00 to 29-MAY-11 18:20:00 (EST-5)
Location: NORTH RIDGEVILLE
Magnitude: 50.00 EG
Property damage: 125.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds toppled eight utility poles and several trees in North Ridgeville.  Scattered power outages were reported throughout the area.