A frontal boundary was oriented west to east across central Ohio. The surface frontal boundary, in combination with upper level atmospheric support, allowed for severe thunderstorms to develop across the region. Many of the thunderstorms that day were severe, and even a few tornadoes developed across northern Ohio.

Hail in HANCOCK, OHIO
From 09-AUG-07 13:50:00 to 09-AUG-07 13:50:00 (EST-5)
Location: BENTON RIDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny size hail was observed just south of Benton Ridge.

Thunderstorm Wind in MEDINA, OHIO
From 09-AUG-07 03:13:00 to 09-AUG-07 03:13:00 (EST-5)
Location: LODI
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Post Office

Trees and large limbs were reported down.

Thunderstorm Wind in HANCOCK, OHIO
From 09-AUG-07 14:07:00 to 09-AUG-07 14:15:00 (EST-5)
Location: MT CORY
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and large limbs, along with power lines, were reported down.

Hail in HANCOCK, OHIO
From 09-AUG-07 13:52:00 to 09-AUG-07 13:52:00 (EST-5)
Location: MT CORY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny size hail was observed.

Thunderstorm Wind in HOLMES, OHIO
From 09-AUG-07 16:45:00 to 09-AUG-07 16:45:00 (EST-5)
Location: KILLBUCK
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two trees were reported down.

Thunderstorm Wind in WAYNE, OHIO
From 09-AUG-07 12:20:00 to 09-AUG-07 12:20:00 (EST-5)
Location: ORRVILLE
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two trees were reported down.

Thunderstorm Wind in WYANDOT, OHIO
From 09-AUG-07 14:29:00 to 09-AUG-07 14:29:00 (EST-5)
Location: UPPER SANDUSKY
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down.

Thunderstorm Wind in CRAWFORD, OHIO
From 09-AUG-07 15:10:00 to 09-AUG-07 15:10:00 (EST-5)
Location: TIRO
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous large limbs were reported down.

Thunderstorm Wind in STARK, OHIO
From 09-AUG-07 12:05:00 to 09-AUG-07 12:05:00 (EST-5)
Location: CANTON
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured wind gusts of 58 mph as thunderstorms moved through the area. No damage was reported with the wind gusts.

Thunderstorm Wind in MEDINA, OHIO
From 09-AUG-07 15:30:00 to 09-AUG-07 15:50:00 (EST-5)
Location: MEDINA
Magnitude: 50.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

As the line of severe thunderstorms moved through the area, numerous trees, large limbs, and power lines were reported down throughout the county by straightline winds.

Thunderstorm Wind in PORTAGE, OHIO
From 09-AUG-07 16:40:00 to 09-AUG-07 16:40:00 (EST-5)
Location: ATWATER
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down.

Thunderstorm Wind in KNOX, OHIO
From 09-AUG-07 15:55:00 to 09-AUG-07 16:10:00 (EST-5)
Location: AMITY
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down across the county as the line of severe thunderstorms moved through.

Thunderstorm Wind in HURON, OHIO
From 09-AUG-07 15:05:00 to 09-AUG-07 15:05:00 (EST-5)
Location: NORWALK
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree and large limb was reported down.

Hail in WAYNE, OHIO
From 09-AUG-07 03:22:00 to 09-AUG-07 03:22:00 (EST-5)
Location: CRESTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny size hail was observed.

Thunderstorm Wind in LUCAS, OHIO
From 09-AUG-07 08:15:00 to 09-AUG-07 08:15:00 (EST-5)
Location: MONCLOVA
Magnitude: 61.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down in Monclova. In Maumee, winds were estimated to be between 60 and 70 mph. No immediate damage was observed with the wind gusts.

Hail in SUMMIT, OHIO
From 09-AUG-07 11:35:00 to 09-AUG-07 11:37:00 (EST-5)
Location: BARBERTON
Magnitude: 1.00 
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail ranging from quarter to penny size was observed.

Thunderstorm Wind in SUMMIT, OHIO
From 09-AUG-07 16:00:00 to 09-AUG-07 16:15:00 (EST-5)
Location: PORTAGE LAKES
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Numerous trees and large limbs were reported down near the Nimisila Reservoir and throughout Portage Lakes State Park. Reports of trees down extended just north into Coventry Township.

Thunderstorm Wind in STARK, OHIO
From 09-AUG-07 12:09:00 to 09-AUG-07 12:15:00 (EST-5)
Location: MASSILLON
Magnitude: 50.00 EG
Property damage: 80.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree and large limbs were reported down throughout Perry Township.  Scattered power outages caused by the fallen trees were reported.

Thunderstorm Wind in STARK, OHIO
From 09-AUG-07 16:10:00 to 09-AUG-07 16:30:00 (EST-5)
Location: CANTON
Magnitude: 50.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees, large limbs and power lines were reported down from just north of the Akron-Canton Airport east to near State Route 183.

Thunderstorm Wind in WAYNE, OHIO
From 09-AUG-07 15:50:00 to 09-AUG-07 15:53:00 (EST-5)
Location: RITTMAN
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees, utility poles and power lines were reported down. Trained spotters also reported that two homes had trees fall onto them.

Tornado in MEDINA, OHIO
From 09-AUG-07 15:35:00 to 09-AUG-07 15:40:00 (EST-5)
Location: LODI
Tornado F-scale: EF1
Property damage: 175.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A storm survey revealed that an EF1 tornado touched down on a farm about two miles north of Lodi, just north of U.S. Route 224. Three barns were destroyed by the tornado. As many as 100 dairy cows were trapped in a barn that collapsed and had to be rescued from the debris. Some of the animals were killed or had to be put down because the injuries were so severe. Dozens of trees were damaged along the damage path which was about a mile in length and no more than 50 yards in width.

Tornado in RICHLAND, OHIO
From 09-AUG-07 15:06:00 to 09-AUG-07 15:08:00 (EST-5)
Location: SHELBY
Tornado F-scale: EF0
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A storm survey was conducted and an EF0 tornado was confirmed in Shelby. The tornado touched down at a factory on the west side of the town.  The factory sustained some roof damage and had a masonary wall partially collapse.  From the factory, the tornado continued through residential neighborhoods causing only intermittent damage.  A couple dozen trees were downed along the damage path which was about three quarters of a mile long and no more than 20 yards in width.

Thunderstorm Wind in MARION, OHIO
From 09-AUG-07 15:10:00 to 09-AUG-07 15:25:00 (EST-5)
Location: MARION
Magnitude: 60.00 EG
Property damage: 1.30M
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm moved into Marion around 4:10 pm. Numerous trees, large limbs, utility poles and power lines came down during the storm. Reports indicate that many trees fell onto homes, garages and cars throughout the city. One of the houses was damaged enough to be considered destroyed. Between 30 and 35 utility poles had to be replaced because of trees and large limbs falling onto them. One house had three trees fall onto it causing extensive damage. A house in Marion that was being remodeled sustained damage by trees. Three people working on the house quickly took shelter on a porch during the storm, but were injuried when a tree fell onto the roof of the porch and collapsed the roof. A twenty-two year old girl was killed when a large tree limb fell onto the car while she was driving. A passenger in the vehicle survived with injuries.
Additional support was called in to help clean up in Marion. Electric companies and municipal agencies coordinated to help clean up debris. Estimated costs for clean up in Marion were approximately $91 thousand.  369 loads of debris were cleaned up throughout the city.

Tornado in ASHLAND, OHIO
From 09-AUG-07 15:28:00 to 09-AUG-07 15:32:00 (EST-5)
Location: SULLIVAN
Tornado F-scale: EF1
Property damage: 1.40M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A storm survey was conducted and an EF1 tornado was confirmed in northeastern Ashland County. The tornado touched down northeast of Sullivan along Black River School Road just to the west of the Medina County line.  Two school buildings were damaged by the tornado. One of the schools lost a section of roofing over a gymnasium. Sections of roofing along the remainder of the building were lifted and buckled by tornado winds. Significant amounts of rain water got into the building as a result of this roof damage. Water damage in the school was extensive and the gymnasium floor will need replacement. A modular building used as a classroom also sustained damage. Fences surrounding recreational fields at the school were also damaged. A house across the road from the schools was slightly damaged and a communication tower nearby was toppled. Many trees were downed. The tornado had a damage path around one half mile in length and about 30 yards in width.

Hail in MEDINA, OHIO
From 09-AUG-07 15:32:00 to 09-AUG-07 15:32:00 (EST-5)
Location: LODI
Magnitude: 1.75 
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail was observed.