Supercells developed across southwest and south central Ohio during the evening as a warm front moved across the region, producing large hail and two tornadoes.

Hail in HIGHLAND, OHIO
From 30-MAY-09 20:35:00 to 30-MAY-09 20:42:00 (EST-5)
Location: LEESBURG
Magnitude: 0.75 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Power lines were also downed between Leesburg and Greenfield.

Hail in CLERMONT, OHIO
From 30-MAY-09 20:15:00 to 30-MAY-09 20:20:00 (EST-5)
Location: LOVELAND
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Hail in WARREN, OHIO
From 30-MAY-09 20:07:00 to 30-MAY-09 20:11:00 (EST-5)
Location: SOCIALVILLE
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter received penny size hail near the Mason-Montgomery Road interchange with Interstate 71 in Deerfield Township.

Hail in PIKE, OHIO
From 30-MAY-09 20:55:00 to 30-MAY-09 20:59:00 (EST-5)
Location: GLEN JEAN
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ROSS, OHIO
From 30-MAY-09 21:10:00 to 30-MAY-09 21:15:00 (EST-5)
Location: BAINBRIDGE
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in ROSS, OHIO
From 30-MAY-09 20:55:00 to 30-MAY-09 20:59:00 (EST-5)
Location: CHILLICOTHE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees were downed in town.

Hail in HIGHLAND, OHIO
From 30-MAY-09 21:19:00 to 30-MAY-09 21:23:00 (EST-5)
Location: HILLSBORO
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCIOTO, OHIO
From 30-MAY-09 18:45:00 to 30-MAY-09 18:55:00 (EST-5)
Location: FRIENDSHIP
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HAMILTON, OHIO
From 30-MAY-09 18:58:00 to 30-MAY-09 19:03:00 (EST-5)
Location: MONTGOMERY
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HAMILTON, OHIO
From 30-MAY-09 19:02:00 to 30-MAY-09 19:06:00 (EST-5)
Location: NEWTOWN
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WARREN, OHIO
From 30-MAY-09 19:50:00 to 30-MAY-09 19:54:00 (EST-5)
Location: LELAN
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

The hail took place near the Interstate 71 interchange with State Route 123.

Hail in CLINTON, OHIO
From 30-MAY-09 20:40:00 to 30-MAY-09 20:45:00 (EST-5)
Location: WILMINGTON
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLERMONT, OHIO
From 30-MAY-09 21:10:00 to 30-MAY-09 21:14:00 (EST-5)
Location: MILFORD
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HAMILTON, OHIO
From 30-MAY-09 20:51:00 to 30-MAY-09 20:55:00 (EST-5)
Location: CRESCENTVILLE
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The hail fell near the Interstate 75/275 interchange in northern Hamilton County.

Thunderstorm Wind in PIKE, OHIO
From 30-MAY-09 21:35:00 to 30-MAY-09 21:39:00 (EST-5)
Location: BEAVER
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were knocked down.

Hail in CLINTON, OHIO
From 30-MAY-09 19:50:00 to 30-MAY-09 19:54:00 (EST-5)
Location: SABINA
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SCIOTO, OHIO
From 30-MAY-09 19:15:00 to 30-MAY-09 19:19:00 (EST-5)
Location: SOUTH WEBSTER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were knocked down.

Hail in CLINTON, OHIO
From 30-MAY-09 19:32:00 to 30-MAY-09 19:42:00 (EST-5)
Location: WILMINGTON
Magnitude: 1.00 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail up to quarter size fell for an extended period and collected in piles.

Hail in WARREN, OHIO
From 30-MAY-09 19:10:00 to 30-MAY-09 19:15:00 (EST-5)
Location: WAYNESVILLE
Magnitude: 1.00 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in ADAMS, OHIO
From 30-MAY-09 19:19:00 to 30-MAY-09 19:23:00 (EST-5)
Location: DUNKINSVILLE
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CLERMONT, OHIO
From 30-MAY-09 19:10:00 to 30-MAY-09 19:14:00 (EST-5)
Location: MILFORD
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The hail covered the ground.

Hail in CLINTON, OHIO
From 30-MAY-09 19:25:00 to 30-MAY-09 19:33:00 (EST-5)
Location: BLANCHESTER
Magnitude: 1.75 
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CLERMONT, OHIO
From 30-MAY-09 19:33:00 to 30-MAY-09 19:40:00 (EST-5)
Location: GOSHEN
Magnitude: 1.25 
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLERMONT, OHIO
From 30-MAY-09 19:42:00 to 30-MAY-09 19:52:00 (EST-5)
Location: BETHEL
Magnitude: 1.50 
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail sizes ranged between 1 inch and 1.50 inches.

Hail in CLERMONT, OHIO
From 30-MAY-09 19:21:00 to 30-MAY-09 19:25:00 (EST-5)
Location: AMELIA
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HIGHLAND, OHIO
From 30-MAY-09 19:35:00 to 30-MAY-09 19:39:00 (EST-5)
Location: LYNCHBURG
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Hail in WARREN, OHIO
From 30-MAY-09 20:17:00 to 30-MAY-09 20:21:00 (EST-5)
Location: MASON
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Tornado in CLINTON, OHIO
From 30-MAY-09 19:48:00 to 30-MAY-09 19:49:00 (EST-5)
Location: (ILN)WILMINGTON ARPK
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 2.00K
Reported by: NWS Employee

A tornado briefly touched down in a field immediately adjacent to the NWS in Wilmington.  The tornado touched down in a field northeast of the office, coming within 1000 feet of the office.  While no condensation funnel was visible, debris and dust were kicked up in the nearby farm field with clear rotation evident to NWS meteorologists.  The tornado lifted as it approached Davids Drive, on the west side of the Wilmington airport.  The tornado was rated EF0 with maximum winds at 65 to 70 mph.

Tornado in CLINTON, OHIO
From 30-MAY-09 19:50:00 to 30-MAY-09 19:51:00 (EST-5)
Location: BURTONVILLE
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A second tornado touched down southeast of Wilmington along Farmers Road a few minutes after the first brief touchdown near NWS Wilmington.  The extent of the damage included a barn roof partially destroyed with damage to its walls, a shed flipped and blown off its foundation, two trees uprooted and a number of large limbs downed.  Metal siding was ripped off the barn roof and thrown 20 yards. This tornado was also rated an EF0 with maximum winds at 65 to 78 mph.

Tornado in CLERMONT, OHIO
From 30-MAY-09 19:44:00 to 30-MAY-09 19:45:00 (EST-5)
Location: BETHEL
Tornado F-scale: EF0
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado briefly touched down over the southwest portion of Bethel, near Fossyl Drive and the baseball diamonds at Burke Park.  The tornado moved east-southeast and downed a tree limb on South Ash Street.  It lifted shortly thereafter as it passed just south of downtown Bethel.  The tornado was rated an EF0 with maximum winds at 65 to 70 mph.

Hail in CLINTON, OHIO
From 30-MAY-09 20:03:00 to 30-MAY-09 20:07:00 (EST-5)
Location: WILMINGTON
Magnitude: 0.88 
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter