Severe thunderstorms developed during the evening ahead of a cold front.

Thunderstorm Wind in WARREN, OHIO
From 15-MAY-07 22:10:00 to 15-MAY-07 22:14:00 (EST-5)
Location: FRANKLIN
Magnitude: 50.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were knocked down.  A front porch collapsed off of a home.

Thunderstorm Wind in WARREN, OHIO
From 15-MAY-07 22:15:00 to 15-MAY-07 22:22:00 (EST-5)
Location: SPRINGBORO
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous trees were downed or broken off intermittently for a distance of about three miles across Clearcreek Township.

Thunderstorm Wind in CLINTON, OHIO
From 15-MAY-07 22:24:00 to 15-MAY-07 22:27:00 (EST-5)
Location: (ILN)WILMINGTON ARPK
Magnitude: 52.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in CLINTON, OHIO
From 15-MAY-07 22:25:00 to 15-MAY-07 22:29:00 (EST-5)
Location: WILMINGTON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Newspaper

A building sustained minor structural damage along New Oglesbee Road.  A fence was bent and tree limbs were downed in the vicinity of the building as well.

Thunderstorm Wind in GREENE, OHIO
From 15-MAY-07 22:24:00 to 15-MAY-07 22:28:00 (EST-5)
Location: XENIA
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Several trees were downed.

Thunderstorm Wind in DELAWARE, OHIO
From 15-MAY-07 22:30:00 to 15-MAY-07 22:34:00 (EST-5)
Location: DELAWARE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Large tree limbs were downed.

Hail in DELAWARE, OHIO
From 15-MAY-07 22:43:00 to 15-MAY-07 22:46:00 (EST-5)
Location: DELAWARE
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CLINTON, OHIO
From 15-MAY-07 22:50:00 to 15-MAY-07 22:54:00 (EST-5)
Location: SABINA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

A few structures sustained minor damage.

Thunderstorm Wind in FAYETTE, OHIO
From 15-MAY-07 22:55:00 to 15-MAY-07 22:59:00 (EST-5)
Location: JEFFERSONVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees and power poles were knocked down.

Thunderstorm Wind in FAYETTE, OHIO
From 15-MAY-07 23:10:00 to 15-MAY-07 23:14:00 (EST-5)
Location: WASHINGTON COURT HOU
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A roof was taken off of a mobile home, and a barn was leveled along White Road.

Hail in HIGHLAND, OHIO
From 15-MAY-07 23:10:00 to 15-MAY-07 23:14:00 (EST-5)
Location: GREENFIELD
Magnitude: 0.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in FRANKLIN, OHIO
From 15-MAY-07 23:22:00 to 15-MAY-07 23:26:00 (EST-5)
Location: COLUMBUS
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few structures sustained minor damage.  Large tree limbs were downed as well.

Thunderstorm Wind in ROSS, OHIO
From 15-MAY-07 23:06:00 to 15-MAY-07 23:10:00 (EST-5)
Location: SOUTH SALEM
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A couple four to five foot diameter trees were knocked down over State Route 41.

Thunderstorm Wind in FAIRFIELD, OHIO
From 15-MAY-07 23:50:00 to 15-MAY-07 23:54:00 (EST-5)
Location: LANCASTER
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Large tree limbs were downed.

Thunderstorm Wind in BUTLER, OHIO
From 15-MAY-07 21:15:00 to 15-MAY-07 21:19:00 (EST-5)
Location: SOMERVILLE
Magnitude: 55.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

A portion of the metal roof and a window of a barn was damaged.  Minor structural damage also occurred to two adjacent smaller barns, and some siding was removed from a nearby home.  A boat parked on the property sustained minor damage.  large tree limbs were downed as well.

Thunderstorm Wind in GREENE, OHIO
From 15-MAY-07 22:08:00 to 15-MAY-07 22:12:00 (EST-5)
Location: YELLOW SPGS
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees were knocked down along West Enon Road.

Tornado in CLARK, OHIO
From 15-MAY-07 22:05:00 to 15-MAY-07 22:10:00 (EST-5)
Location: SPRINGFIELD
Tornado F-scale: EF0
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down along Moorefield Road, just to the east of State Route 4.  Trees were either uprooted or snapped off towards their tops with additional large limbs down from other trees.  Some minor structural damage occured as well along the 250 yard damage path.  The tornado was rated EF-0 with top wind speeds of 70 mph.

Thunderstorm Wind in MIAMI, OHIO
From 15-MAY-07 21:45:00 to 15-MAY-07 21:49:00 (EST-5)
Location: TIPP CITY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree and several large limbs were downed in Monroe Township.

Thunderstorm Wind in MONTGOMERY, OHIO
From 15-MAY-07 21:27:00 to 15-MAY-07 21:31:00 (EST-5)
Location: (DAY)COX DAYTON INTL
Magnitude: 54.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in CLARK, OHIO
From 15-MAY-07 22:00:00 to 15-MAY-07 22:04:00 (EST-5)
Location: SPRINGFIELD
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large tree limbs were knocked down.

Thunderstorm Wind in HAMILTON, OHIO
From 15-MAY-07 21:45:00 to 15-MAY-07 21:49:00 (EST-5)
Location: HARRISON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Three trees were downed in Harrison.  Several tree limbs up to four inches in diameter and street signs were knocked down near White Oak.  Siding was peeled off of a few homes.

Thunderstorm Wind in BUTLER, OHIO
From 15-MAY-07 21:50:00 to 15-MAY-07 21:58:00 (EST-5)
Location: HAMILTON
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power poles were downed across eastern portions of the county.

Thunderstorm Wind in BUTLER, OHIO
From 15-MAY-07 21:55:00 to 15-MAY-07 21:59:00 (EST-5)
Location: WEST CHESTER
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were downed along Butler-Warren Road.

Thunderstorm Wind in CHAMPAIGN, OHIO
From 15-MAY-07 22:08:00 to 15-MAY-07 22:12:00 (EST-5)
Location: URBANA
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Post Office

Several trees were knocked down.

Thunderstorm Wind in FRANKLIN, OHIO
From 15-MAY-07 23:17:00 to 15-MAY-07 23:21:00 (EST-5)
Location: WHITEHALL
Magnitude: 56.00 MS
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Sixty four mph winds were recorded near Eastland Mall.