A warm front lifted into northern Ohio on June 18th causing an area of showers and thunderstorms to develop.  A few of the storms became severe.

Thunderstorm Wind in ERIE, OHIO
From 18-JUN-12 14:03:00 to 18-JUN-12 14:03:00 (EST-5)
Location: CASTALIA
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 LUCAS, OHIO
From 18-JUN-12 13:15:00 to 18-JUN-12 13:15:00 (EST-5)
Location: MONUMENT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a large tree.  The tree blocked portions of Strayer Road.

Hail in WOOD, OHIO
From 18-JUN-12 14:49:00 to 18-JUN-12 14:49:00 (EST-5)
Location: BOWLING GREEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny sized hail was observed.

Thunderstorm Wind in LUCAS, OHIO
From 18-JUN-12 13:20:00 to 18-JUN-12 13:20:00 (EST-5)
Location: MAUMEE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a couple of trees.

Thunderstorm Wind in HURON, OHIO
From 18-JUN-12 14:35:00 to 18-JUN-12 14:35:00 (EST-5)
Location: WAKEMAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotters estimated thunderstorm winds at 60 mph.

Thunderstorm Wind in SENECA, OHIO
From 18-JUN-12 14:25:00 to 18-JUN-12 14:25:00 (EST-5)
Location: ATTICA
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a large tree.

Thunderstorm Wind in SANDUSKY, OHIO
From 18-JUN-12 13:50:00 to 18-JUN-12 13:50:00 (EST-5)
Location: FREMONT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a few large tree limbs across Sandusky County.

Thunderstorm Wind in OTTAWA, OHIO
From 18-JUN-12 13:40:00 to 18-JUN-12 13:40:00 (EST-5)
Location: OAK HARBOR
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few large tree limbs.

Thunderstorm Wind in WAYNE, OHIO
From 18-JUN-12 15:40:00 to 18-JUN-12 15:40:00 (EST-5)
Location: WOOSTER
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a tree.

Thunderstorm Wind in WAYNE, OHIO
From 18-JUN-12 16:00:00 to 18-JUN-12 16:00:00 (EST-5)
Location: SHREVE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree.

Hail in WOOD, OHIO
From 18-JUN-12 13:55:00 to 18-JUN-12 13:55:00 (EST-5)
Location: PORTAGE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Half dollar sized hail was observed.

Thunderstorm Wind in LORAIN, OHIO
From 18-JUN-12 14:50:00 to 18-JUN-12 14:50:00 (EST-5)
Location: AMHERST
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds downed a few trees in western Lorain County.

Thunderstorm Wind in ERIE, OHIO
From 18-JUN-12 14:45:00 to 18-JUN-12 14:45:00 (EST-5)
Location: VERMILION
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A couple of trees were snapped.

Thunderstorm Wind in ERIE, OHIO
From 18-JUN-12 14:20:00 to 18-JUN-12 14:20:00 (EST-5)
Location: HURON
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 HOLMES, OHIO
From 18-JUN-12 16:25:00 to 18-JUN-12 16:25:00 (EST-5)
Location: BERLIN
Magnitude: 59.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A 68 mph thunderstorm wind gust was measured.

Thunderstorm Wind in MEDINA, OHIO
From 18-JUN-12 15:05:00 to 18-JUN-12 15:05:00 (EST-5)
Location: SPENCER
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed one trees and a few large limbs in the Spencer area.

Thunderstorm Wind in HURON, OHIO
From 18-JUN-12 14:41:00 to 18-JUN-12 14:41:00 (EST-5)
Location: WAKEMAN
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a 70 mph wind gust.

Thunderstorm Wind in LORAIN, OHIO
From 18-JUN-12 14:50:00 to 18-JUN-12 14:55:00 (EST-5)
Location: VERMILION ON THE LK
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm downburst winds caused extensive damage in northwestern Lorain County.  Numerous trees, limbs and utility poles were toppled in Brownhelm and Henrietta Townships.  A few homes also sustained minor damage.

Thunderstorm Wind in HOLMES, OHIO
From 18-JUN-12 16:20:00 to 18-JUN-12 16:20:00 (EST-5)
Location: MILLERSBURG
Magnitude: 50.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed many trees and large limbs across Holmes County.  Several roads had to be closed because of downed trees.

Thunderstorm Wind in LORAIN, OHIO
From 18-JUN-12 14:50:00 to 18-JUN-12 14:50:00 (EST-5)
Location: WELLINGTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree.

Thunderstorm Wind in ASHLAND, OHIO
From 18-JUN-12 15:05:00 to 18-JUN-12 15:05:00 (EST-5)
Location: ASHLAND
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed at least four trees in the county.

Hail in LUCAS, OHIO
From 18-JUN-12 13:22:00 to 18-JUN-12 13:22:00 (EST-5)
Location: MAUMEE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny sized hail was observed.

Hail in WOOD, OHIO
From 18-JUN-12 13:55:00 to 18-JUN-12 13:55:00 (EST-5)
Location: BOWLING GREEN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel sized hail was observed.

Thunderstorm Wind in ERIE, OHIO
From 18-JUN-12 14:26:00 to 18-JUN-12 14:26:00 (EST-5)
Location: BERLIN HGTS
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds estimated at 60 mph downed several trees.

Thunderstorm Wind in ASHLAND, OHIO
From 18-JUN-12 15:05:00 to 18-JUN-12 15:10:00 (EST-5)
Location: ASHLAND CO ARPT
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed four large trees across northeastern Ashland County.

Hail in LUCAS, OHIO
From 18-JUN-12 13:02:00 to 18-JUN-12 13:02:00 (EST-5)
Location: MAUMEE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny sized hail was observed.

Thunderstorm Wind in HURON, OHIO
From 18-JUN-12 14:07:00 to 18-JUN-12 14:07:00 (EST-5)
Location: NORWALK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a couple large trees.

Hail in LUCAS, OHIO
From 18-JUN-12 13:20:00 to 18-JUN-12 13:20:00 (EST-5)
Location: MAUMEE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny to quarter sized hail was observed.

Thunderstorm Wind in WOOD, OHIO
From 18-JUN-12 13:45:00 to 18-JUN-12 13:45:00 (EST-5)
Location: RUDOLPH
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed a tree.

Thunderstorm Wind in ERIE, OHIO
From 18-JUN-12 14:05:00 to 18-JUN-12 14:05:00 (EST-5)
Location: SANDUSKY
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds downed a few trees and utility poles.

Thunderstorm Wind in HURON, OHIO
From 18-JUN-12 14:13:00 to 18-JUN-12 14:15:00 (EST-5)
Location: NORWALK
Magnitude: 61.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds estimated at 60 to 70 mph caused extensive damage in Norwalk.  Dozens of trees were downed in the city. Several homes sustained damage, mainly from fallen trees and limbs.  A few utility poles were snapped caused scattered power outages.