A cold front was located northwest of the region during the afternoon and evening hours of the 10th. A warm and unstable airmass caused showers and thunderstorms to develop shortly after noontime and persist through the afternoon and evening hours.  Some of the thunderstorms became severe producing severe winds and hail.

Hail in CUYAHOGA, OHIO
From 10-AUG-09 14:10:00 to 10-AUG-09 14:10:00 (EST-5)
Location: SHAKER HGTS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail was observed.

Hail in CUYAHOGA, OHIO
From 10-AUG-09 14:08:00 to 10-AUG-09 14:08:00 (EST-5)
Location: NEWBURGH HGTS
Magnitude: 1.75 
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

Golf ball size hail was observed.

Thunderstorm Wind in CUYAHOGA, OHIO
From 10-AUG-09 14:00:00 to 10-AUG-09 14:00:00 (EST-5)
Location: CLEVELAND HGTS
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A few trees were reported down.

Hail in MEDINA, OHIO
From 10-AUG-09 16:03:00 to 10-AUG-09 16:03:00 (EST-5)
Location: BRUNSWICK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail was observed.

Thunderstorm Wind in STARK, OHIO
From 10-AUG-09 17:10:00 to 10-AUG-09 17:15:00 (EST-5)
Location: CANAL FULTON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were reported down.

Thunderstorm Wind in MEDINA, OHIO
From 10-AUG-09 16:10:00 to 10-AUG-09 16:20:00 (EST-5)
Location: GRANGER
Magnitude: 60.00 EG
Property damage: 400.00K
Crop damage: 0.00K
Reported by: Newspaper

A newspaper article reported that numerous trees were downed in Granger Township. Some of the fallen trees landed on homes causing damage. One farm in the township suffered damage as a barn had much of its roof blown off causing substantial damage. A grain dryer was knocked over as well. Many roads in the township were impassable from the fallen trees. There were a few reports of power outages.

Thunderstorm Wind in ASHTABULA, OHIO
From 10-AUG-09 14:56:00 to 10-AUG-09 14:56:00 (EST-5)
Location: ANDOVER
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees were reported down just south of Andover. Limbs were reported down across other parts of the county from the line of storms.

Thunderstorm Wind in PORTAGE, OHIO
From 10-AUG-09 15:10:00 to 10-AUG-09 15:15:00 (EST-5)
Location: ROOTSTOWN
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were reported down across southeast Portage County.

Thunderstorm Wind in MAHONING, OHIO
From 10-AUG-09 15:35:00 to 10-AUG-09 15:35:00 (EST-5)
Location: YOUNGSTOWN
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Three tress and numerous large limbs were reported down throughout Youngstown.

Thunderstorm Wind in GEAUGA, OHIO
From 10-AUG-09 14:20:00 to 10-AUG-09 14:20:00 (EST-5)
Location: CHARDON
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large limbs were reported down across the county.

Hail in MEDINA, OHIO
From 10-AUG-09 16:18:00 to 10-AUG-09 16:18:00 (EST-5)
Location: MEDINA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny size hail was observed.

Thunderstorm Wind in SUMMIT, OHIO
From 10-AUG-09 16:05:00 to 10-AUG-09 16:30:00 (EST-5)
Location: AKRON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Many trees were reported down throughout the county.

Thunderstorm Wind in CUYAHOGA, OHIO
From 10-AUG-09 13:55:00 to 10-AUG-09 13:55:00 (EST-5)
Location: (BKL)CLEVELAND LAKEF
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Automated weather observing equipment at Burke Lakefront Airport in downtown Cleveland right along the Lake Erie shoreline measured a peak wind gust of 72 mph.

Thunderstorm Wind in CUYAHOGA, OHIO
From 10-AUG-09 14:00:00 to 10-AUG-09 14:00:00 (EST-5)
Location: SHAKER HGTS
Magnitude: 50.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dozens of trees were reported down throughout Shaker Heights. Power lines were also downed causing thousands of people in the area to lose power. Several streets were closed by downed trees and power lines.

Thunderstorm Wind in TRUMBULL, OHIO
From 10-AUG-09 15:10:00 to 10-AUG-09 15:10:00 (EST-5)
Location: CHAMPION
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees were reported down across the area. One tree was reported down on a car causing damage.

Hail in MEDINA, OHIO
From 10-AUG-09 16:01:00 to 10-AUG-09 16:01:00 (EST-5)
Location: BRUNSWICK
Magnitude: 1.00 
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was observed.

Hail in MEDINA, OHIO
From 10-AUG-09 16:10:00 to 10-AUG-09 16:10:00 (EST-5)
Location: MEDINA
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was observed.

Thunderstorm Wind in MEDINA, OHIO
From 10-AUG-09 16:01:00 to 10-AUG-09 16:01:00 (EST-5)
Location: VALLEY CITY
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several large limbs were reported down.