Thunderstorms developed on a lake breeze that was pushing south ahead of a cold front. The atmosphere was unstable with temperatures in the lower nineties and dewpoints in the lower seventies.  The main threats were damaging winds and hail.

Hail in FRANKLIN, OHIO
From 04-JUN-11 18:35:00 to 04-JUN-11 18:39:00 (EST-5)
Location: COLUMBUS
Magnitude: 0.75 
Reported by: Public

Thunderstorm Wind in FRANKLIN, OHIO
From 04-JUN-11 18:52:00 to 04-JUN-11 18:56:00 (EST-5)
Location: GRANDVIEW HGTS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A tree was reported down due to damaging thunderstorm winds.

Hail in FAIRFIELD, OHIO
From 04-JUN-11 19:03:00 to 04-JUN-11 19:07:00 (EST-5)
Location: CARROLL
Magnitude: 0.75 
Reported by: Trained Spotter

Thunderstorm Wind in PICKAWAY, OHIO
From 04-JUN-11 20:21:00 to 04-JUN-11 20:25:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 55.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Public

A shed was blown over and several large limbs were down due to damaging thunderstorm winds.

Hail in PICKAWAY, OHIO
From 04-JUN-11 20:26:00 to 04-JUN-11 20:31:00 (EST-5)
Location: CIRCLEVILLE
Magnitude: 1.75 
Reported by: Public

Hail in MONTGOMERY, OHIO
From 04-JUN-11 20:17:00 to 04-JUN-11 20:21:00 (EST-5)
Location: VANDALIA
Magnitude: 0.75 
Reported by: Public

Hail in MONTGOMERY, OHIO
From 04-JUN-11 20:34:00 to 04-JUN-11 20:38:00 (EST-5)
Location: HUBER HGTS
Magnitude: 1.00 
Reported by: Amateur Radio

Hail in HARDIN, OHIO
From 04-JUN-11 17:02:00 to 04-JUN-11 17:06:00 (EST-5)
Location: KENTON
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in HARDIN, OHIO
From 04-JUN-11 16:55:00 to 04-JUN-11 17:05:00 (EST-5)
Location: ALGER
Magnitude: 1.00 
Reported by: Public

Hail in HARDIN, OHIO
From 04-JUN-11 17:01:00 to 04-JUN-11 17:05:00 (EST-5)
Location: MC GUFFEY
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in FAIRFIELD, OHIO
From 04-JUN-11 17:27:00 to 04-JUN-11 17:31:00 (EST-5)
Location: PICKERINGTON
Magnitude: 0.88 
Reported by: Public

Thunderstorm Wind in DELAWARE, OHIO
From 04-JUN-11 17:44:00 to 04-JUN-11 17:45:00 (EST-5)
Location: RADNOR
Magnitude: 56.00 MG
Reported by: Amateur Radio

Thunderstorm Wind in PICKAWAY, OHIO
From 04-JUN-11 19:20:00 to 04-JUN-11 19:24:00 (EST-5)
Location: ASHVILLE
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 04-JUN-11 19:03:00 to 04-JUN-11 19:07:00 (EST-5)
Location: ASHVILLE
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 FAIRFIELD, OHIO
From 04-JUN-11 19:17:00 to 04-JUN-11 19:23:00 (EST-5)
Location: STOUTSVILLE
Magnitude: 60.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were reported down and parts of roofs were blown off of houses due to damaging thunderstorm winds.

Hail in HOCKING, OHIO
From 04-JUN-11 19:59:00 to 04-JUN-11 20:03:00 (EST-5)
Location: SOUTH BLOOMINGVILLE
Magnitude: 0.88 
Reported by: Trained Spotter

Thunderstorm Wind in MONTGOMERY, OHIO
From 04-JUN-11 20:31:00 to 04-JUN-11 20:35:00 (EST-5)
Location: EASTVIEW
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was reported down due to damaging thunderstorm winds.

Thunderstorm Wind in GREENE, OHIO
From 04-JUN-11 20:45:00 to 04-JUN-11 20:49:00 (EST-5)
Location: CEDARVILLE
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.

Hail in ROSS, OHIO
From 04-JUN-11 21:05:00 to 04-JUN-11 21:10:00 (EST-5)
Location: CHILLICOTHE
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in ROSS, OHIO
From 04-JUN-11 21:11:00 to 04-JUN-11 21:15:00 (EST-5)
Location: MOORESVILLE
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in FAIRFIELD, OHIO
From 04-JUN-11 22:11:00 to 04-JUN-11 22:15:00 (EST-5)
Location: BALTIMORE
Magnitude: 0.75 
Reported by: Trained Spotter

Thunderstorm Wind in DELAWARE, OHIO
From 04-JUN-11 18:00:00 to 04-JUN-11 18:04:00 (EST-5)
Location: OSTRANDER
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: County Official

Trees were down, a barn roof was blown off, and wood was driven into the siding of a house due to damaging thunderstorm winds.

Hail in UNION, OHIO
From 04-JUN-11 17:50:00 to 04-JUN-11 17:54:00 (EST-5)
Location: MAGNETIC SPGS
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in FRANKLIN, OHIO
From 04-JUN-11 18:25:00 to 04-JUN-11 18:29:00 (EST-5)
Location: HILLIARD
Magnitude: 0.75 
Reported by: Amateur Radio

Thunderstorm Wind in FRANKLIN, OHIO
From 04-JUN-11 18:30:00 to 04-JUN-11 18:34:00 (EST-5)
Location: SOUTH COLUMBUS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

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

Thunderstorm Wind in FRANKLIN, OHIO
From 04-JUN-11 18:33:00 to 04-JUN-11 18:37:00 (EST-5)
Location: HILLIARD
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

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

Thunderstorm Wind in FRANKLIN, OHIO
From 04-JUN-11 18:23:00 to 04-JUN-11 18:27:00 (EST-5)
Location: SAN MARGHERITA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was uprooted due to damaging thunderstorm winds.