The following events were reported: Hail, Thunderstorm Wind, Tornado. These occurred near station USW00014821, approximately 33.3469 km away, between 2010-09-16 15:15:00 and 2010-09-16 17:01:00. The events included records with hailstones measuring 16.375 inches.The events resulted in 1 injuries and 0 fatalities. The events caused property damage valued at 143000.0 and crop damage of 4000.0. Episode Narrative: A strong shortwave trough arrived during peak heating out ahead of a the cold front in a location that had received a couple hours of sunshine. A scattered to broken line of storms developed in an area of strong deep shear, which allowed for a high degree of organization with the storms. A strong shortwave trough arrived during peak heating out ahead of a the cold front in a location that had received a couple hours of sunshine. Event Narrative: Trees were reported down around the area due to damaging thunderstorm winds. A portion of the roof was peeled off of the Olentangy High School gym. One woman was injured when a tree fell onto her home causing severe damage to the roof. The woman was taken to a nearby hospital for possible concussion. The tornado touched down and moved briefly along Big Walnut Road near the Hoover Reservoir. Trees were damaged along the path due to the tornado. In addition, a few shingles were torn off of a house. Based on the damage, wind speeds were estimated around 75 miles per hour. The tornado touched down on Fairfield Union Road where tree and roof damage occurred. Damage associated with the tornado continued to the east until near County Line Road where another house had siding and roof damage from the tornado. Along this path there was additional tree damage and damage to a barn. The tornado touched down in southwest Fairfield County near Dozer and Valentine Roads at 1656 EST. The tornado crossed into Pickaway County a half mile east of Valentine Road on Tarlton Road at 1659 EST. The tornado continued in Pickaway County until 1701 EST. The tornado lifted while near Tarlton. The tornado was on the ground for 1.76 miles in Fairfield County and on the ground for 1.09 miles in Pickaway County. The total path length of this tornado was 2.85 miles. The average path width was 200 yards. While in Fairfield County, two empty grain silo were picked up and tossed about 100 yards near Dozer and Valentine Roads. Some of the mechanical parts within the silo were ripped up from the foundation and tossed 15 yards from the silos. Further to the east, on the Fairfield County side of Tarlton Road, more significant damage occurred. Numerous trees were snapped and a few trees were uprooted in this area. A tree branch impaled the side of a home and was driven through the siding. Roof and siding damage also occurred at this location. At a neighboring property, up to twenty percent of the roof was lifted and windows had been blown out. There was also damage to the siding at this location as well. Further east along the south side of Tarlton Road in Pickaway County, additional structural and tree damage occurred. A parked tractor trailer was pushed over due to the tornado. A neighboring home suffered significant roof damage in which the roof became detached from the structure. An awning had been torn off the detached garage at this location and the entire garage structure was leaning slightly. Additionally, tree damage occurred further east along Tarlton Road. Property damage estimates in Fairfield County are around sixty-thousand dollars with crop damage estimated around two-thousand dollars. Property damage estimates in Pickaway County are around thirty-thousand dollars with crop damage estimated around two-thousand dollars.