An area of low pressure moved east across the Great Lakes region during the afternoon and evening hours of June 27th.  A warm front stretching southeast from the low moved across northern Ohio during the afternoon and evening hours.  Showers and thunderstorms developed along the front with a few of the stronger storms becoming severe.  Very strong winds were associated with many of the thunderstorms.  A 78 mph wind gust was measured in Findlay. A tornado hit Ashtabula County during the evening hours causing some minor damage.

Hail in ERIE, OHIO
From 27-JUN-10 15:23:00 to 27-JUN-10 15:23:00 (EST-5)
Location: SANDUSKY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny sized hail was observed.

Thunderstorm Wind in WOOD, OHIO
From 27-JUN-10 17:10:00 to 27-JUN-10 17:10:00 (EST-5)
Location: BOWLING GREEN
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 63 mph thunderstorm wind gust was measured west of Bowling Green.

Thunderstorm Wind in ASHTABULA, OHIO
From 27-JUN-10 17:50:00 to 27-JUN-10 17:50:00 (EST-5)
Location: CONNEAUT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees.

Thunderstorm Wind in HANCOCK, OHIO
From 27-JUN-10 17:57:00 to 27-JUN-10 17:57:00 (EST-5)
Location: FINDLAY
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a  75 mph thunderstorm wind gust south of Findlay.

Thunderstorm Wind in ASHLAND, OHIO
From 27-JUN-10 16:15:00 to 27-JUN-10 16:15:00 (EST-5)
Location: HAYESVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees south of Hayesville.

Thunderstorm Wind in ASHLAND, OHIO
From 27-JUN-10 15:43:00 to 27-JUN-10 15:43:00 (EST-5)
Location: LOUDONVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in LORAIN, OHIO
From 27-JUN-10 16:00:00 to 27-JUN-10 16:00:00 (EST-5)
Location: LA GRANGE MEADOW ARP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm wind gusts were estimated at 60 mph.

Thunderstorm Wind in HURON, OHIO
From 27-JUN-10 15:45:00 to 27-JUN-10 15:45:00 (EST-5)
Location: NEW LONDON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed several trees.

Thunderstorm Wind in MARION, OHIO
From 27-JUN-10 16:38:00 to 27-JUN-10 16:38:00 (EST-5)
Location: MARION
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm wind gust was measured at 60 mph.

Thunderstorm Wind in LORAIN, OHIO
From 27-JUN-10 16:10:00 to 27-JUN-10 16:10:00 (EST-5)
Location: NORTH RIDGEVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm winds downed a few trees.

Thunderstorm Wind in MARION, OHIO
From 27-JUN-10 17:00:00 to 27-JUN-10 17:00:00 (EST-5)
Location: MARION
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds snapped a power pole.

Hail in CRAWFORD, OHIO
From 27-JUN-10 18:44:00 to 27-JUN-10 18:44:00 (EST-5)
Location: CHATFIELD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel sized hail was observed.

Thunderstorm Wind in SENECA, OHIO
From 27-JUN-10 18:40:00 to 27-JUN-10 18:40:00 (EST-5)
Location: REPUBLIC
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed several trees.  A couple homes also lost sections of siding.

Thunderstorm Wind in ERIE, OHIO
From 27-JUN-10 15:45:00 to 27-JUN-10 15:45:00 (EST-5)
Location: SAND HILL
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a large tree.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 16:36:00 to 27-JUN-10 16:36:00 (EST-5)
Location: MAPLE HGTS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed several large trees and limbs.

Thunderstorm Wind in HURON, OHIO
From 27-JUN-10 17:40:00 to 27-JUN-10 17:40:00 (EST-5)
Location: NEW LONDON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few large tree limbs west of New London.

Thunderstorm Wind in TRUMBULL, OHIO
From 27-JUN-10 17:35:00 to 27-JUN-10 17:35:00 (EST-5)
Location: BROOKFIELD
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees in Brookfield Township.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 16:40:00 to 27-JUN-10 16:40:00 (EST-5)
Location: BROADVIEW HGTS
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 16:30:00 to 27-JUN-10 16:51:00 (EST-5)
Location: SEVEN HILLS
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated thunderstorm winds at 65 mph.  A couple trees were reported down.

Hail in MEDINA, OHIO
From 27-JUN-10 16:47:00 to 27-JUN-10 16:47:00 (EST-5)
Location: WADSWORTH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny sized hail was observed.

Tornado in ASHTABULA, OHIO
From 27-JUN-10 17:54:00 to 27-JUN-10 17:59:00 (EST-5)
Location: AMBOY
Tornado F-scale: EF1
Property damage: 300.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF1 tornado touched down near the intersection of Lake Erie Avenue and Point Drive on the west end of Conneaut.  The tornado then traveled east approximately two and a quarter miles before lifting near the Intersection of Broad and Russell Streets.  The damage path was no more than 100 yards in width and consisted of mainly downed trees and limbs  Some roof damage was also observed,  The roof of at least one garage was completely torn off.  Many vehicles were damaged by fallen trees and flying debris.

Thunderstorm Wind in SENECA, OHIO
From 27-JUN-10 16:25:00 to 27-JUN-10 16:25:00 (EST-5)
Location: BLOOMVILLE
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Insurance Company

Thunderstorm winds downed several large limbs and snapped a power pole.  A small shed was also leveled and two large storage tanks were displaced ten feet.

Thunderstorm Wind in SENECA, OHIO
From 27-JUN-10 16:00:00 to 27-JUN-10 16:00:00 (EST-5)
Location: TIFFIN
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed several large tree limbs.  A large tree was also reported down across State Route 53 north of Tiffin.

Thunderstorm Wind in RICHLAND, OHIO
From 27-JUN-10 19:20:00 to 27-JUN-10 19:20:00 (EST-5)
Location: MANSFIELD
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed several trees across Richland County.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 16:20:00 to 27-JUN-10 16:20:00 (EST-5)
Location: FAIRVIEW PARK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a couple large tree limbs.

Thunderstorm Wind in ASHLAND, OHIO
From 27-JUN-10 15:28:00 to 27-JUN-10 15:28:00 (EST-5)
Location: LOUDONVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in SUMMIT, OHIO
From 27-JUN-10 16:30:00 to 27-JUN-10 16:30:00 (EST-5)
Location: AKRON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in CRAWFORD, OHIO
From 27-JUN-10 17:12:00 to 27-JUN-10 17:12:00 (EST-5)
Location: CRESTLINE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in ASHTABULA, OHIO
From 27-JUN-10 14:30:00 to 27-JUN-10 14:30:00 (EST-5)
Location: LAKEVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed a few large trees.

Thunderstorm Wind in WOOD, OHIO
From 27-JUN-10 17:25:00 to 27-JUN-10 17:25:00 (EST-5)
Location: BOWLING GREEN
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in KNOX, OHIO
From 27-JUN-10 17:40:00 to 27-JUN-10 17:40:00 (EST-5)
Location: JELLOWAY
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds downed a few trees.

Thunderstorm Wind in WAYNE, OHIO
From 27-JUN-10 20:00:00 to 27-JUN-10 20:00:00 (EST-5)
Location: WOOSTER
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees north of Wooster.

Thunderstorm Wind in CRAWFORD, OHIO
From 27-JUN-10 19:00:00 to 27-JUN-10 19:00:00 (EST-5)
Location: NEW WASHINGTON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree and a large limb.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 16:27:00 to 27-JUN-10 16:57:00 (EST-5)
Location: PARMA
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trained spotters estimated thunderstorm winds at 65 mph.  Numerous trees were reported down.  At least one vehicle was damaged by a fallen tree.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 16:25:00 to 27-JUN-10 16:25:00 (EST-5)
Location: NORTH OLMSTED
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds downed several trees and large tree limbs.

Thunderstorm Wind in HANCOCK, OHIO
From 27-JUN-10 18:00:00 to 27-JUN-10 18:00:00 (EST-5)
Location: FINDLAY
Magnitude: 68.00 MG
Property damage: 200.00K
Crop damage: 0.00K
Reported by: ASOS

An automated sensor at the Findlay Airport measured a 78 mph thunderstorm wind gust.  The strong winds downed dozens of trees and large limbs in the Findlay area south through the Arlington area.  A large tree crushed a house on County Road 172 southeast of Findlay.  Scattered power outages were reported.

Thunderstorm Wind in HANCOCK, OHIO
From 27-JUN-10 18:07:00 to 27-JUN-10 18:07:00 (EST-5)
Location: VAN BUREN
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in CUYAHOGA, OHIO
From 27-JUN-10 17:30:00 to 27-JUN-10 17:30:00 (EST-5)
Location: WALTON HILLS
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds damaged the roof of a commercial building.

Thunderstorm Wind in RICHLAND, OHIO
From 27-JUN-10 19:15:00 to 27-JUN-10 19:15:00 (EST-5)
Location: MILLSBORO
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm wind gusts estimated to be at least 60 mph damaged a factory west of Mansfield.  The factory had windows blown out and lost a section of roofing.

Thunderstorm Wind in WYANDOT, OHIO
From 27-JUN-10 15:55:00 to 27-JUN-10 15:55:00 (EST-5)
Location: UPPER SANDUSKY ARPT
Magnitude: 50.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Insurance Company

Thunderstorm winds downed a large tree and several utility poles.

Thunderstorm Wind in ERIE, OHIO
From 27-JUN-10 15:23:00 to 27-JUN-10 15:31:00 (EST-5)
Location: BOGART
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few trees.

Thunderstorm Wind in ERIE, OHIO
From 27-JUN-10 15:20:00 to 27-JUN-10 15:20:00 (EST-5)
Location: SOLDIERS HOME
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed numerous trees across Erie County.

Thunderstorm Wind in WAYNE, OHIO
From 27-JUN-10 16:05:00 to 27-JUN-10 16:05:00 (EST-5)
Location: WEST SALEM
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed several large tree limbs.

Thunderstorm Wind in WAYNE, OHIO
From 27-JUN-10 16:10:00 to 27-JUN-10 16:10:00 (EST-5)
Location: WEST SALEM
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed several large tree limbs.

Thunderstorm Wind in WAYNE, OHIO
From 27-JUN-10 16:13:00 to 27-JUN-10 16:13:00 (EST-5)
Location: WEST SALEM
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a couple large tree limbs.

Thunderstorm Wind in CRAWFORD, OHIO
From 27-JUN-10 19:10:00 to 27-JUN-10 19:10:00 (EST-5)
Location: GALION
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few trees.

Thunderstorm Wind in HANCOCK, OHIO
From 27-JUN-10 15:40:00 to 27-JUN-10 15:40:00 (EST-5)
Location: BENTON RIDGE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds toppled at least one utility pole.

Thunderstorm Wind in HANCOCK, OHIO
From 27-JUN-10 17:50:00 to 27-JUN-10 17:50:00 (EST-5)
Location: MT CORY
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused a small building to partially collapse.