A powerful cold front moved across the Ohio Valley on the evening of the 11th as strong low pressure moved north across the Great Lakes. A convective line along the cold front produced widespread damage across eastern Ohio, western Pennsylvania, northern West Virginia, and Garrett county Maryland with thunderstorm wind gusts of 60 to 70 MPH and a peak wind gust of 92 MPH at Allegheny County Airport near Pittsburgh. High winds gusting over 60 MPH behind the front in a strong pressure gradient produced wind damage across the entire region into midday on the 12th. In all across eastern Ohio, western Pennsylvania, northern West Virginia and Garrett county Maryland over one half million homes and businesses were without power at some point during the storm.

High Wind in HARRISON, OHIO
From 12-FEB-09 00:00:00 to 12-FEB-09 04:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Department of Highways

High Wind in MUSKINGUM, OHIO
From 12-FEB-09 01:00:00 to 12-FEB-09 04:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High Wind in MONROE, OHIO
From 12-FEB-09 01:00:00 to 12-FEB-09 04:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High Wind in BELMONT, OHIO
From 12-FEB-09 02:00:00 to 12-FEB-09 05:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High Wind in GUERNSEY, OHIO
From 12-FEB-09 02:00:00 to 12-FEB-09 05:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Department of Highways

High Wind in COLUMBIANA, OHIO
From 12-FEB-09 02:55:00 to 12-FEB-09 05:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

High Wind in COSHOCTON, OHIO
From 12-FEB-09 07:20:00 to 12-FEB-09 09:20:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High Wind in JEFFERSON, OHIO
From 12-FEB-09 07:30:00 to 12-FEB-09 09:30:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High Wind in TUSCARAWAS, OHIO
From 12-FEB-09 07:40:00 to 12-FEB-09 09:45:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

High Wind in NOBLE, OHIO
From 12-FEB-09 01:00:00 to 12-FEB-09 04:00:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High Wind in CARROLL, OHIO
From 12-FEB-09 07:15:00 to 12-FEB-09 09:15:00 (EST-5)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in HARRISON, OHIO
From 11-FEB-09 19:25:00 to 11-FEB-09 19:25:00 (EST-5)
Location: CADIZ
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down in Cadiz.

Thunderstorm Wind in MUSKINGUM, OHIO
From 11-FEB-09 18:16:00 to 11-FEB-09 18:16:00 (EST-5)
Location: ZANESVILLE
Magnitude: 51.00 EG
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the Zanesville, OH airport recorded a wind gust to 51 KTs.

Thunderstorm Wind in MONROE, OHIO
From 11-FEB-09 18:35:00 to 11-FEB-09 18:35:00 (EST-5)
Location: GRAYSVILLE
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a wind gust to 70 MPH in Graysville.

Thunderstorm Wind in MONROE, OHIO
From 11-FEB-09 18:35:00 to 11-FEB-09 18:35:00 (EST-5)
Location: WOODSFIELD
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and power lines down near Woodsfield.

Thunderstorm Wind in TUSCARAWAS, OHIO
From 11-FEB-09 18:45:00 to 11-FEB-09 18:45:00 (EST-5)
Location: PORT WASHINGTON
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down in Port Washington.

Thunderstorm Wind in NOBLE, OHIO
From 11-FEB-09 19:10:00 to 11-FEB-09 19:10:00 (EST-5)
Location: GEM
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Public

The public reported trees down southeast of Caldwell.