A deep upper trough and low pressure moving across the Ohio Valley pushed warm and humid air northward ahead of a cold front moving east with the surface low. Severe thunderstorms were widespread across eastern Ohio, western Pennsylvania, northern West Virginia, and Garrett county Maryland. Significant flash flooding occurred over eastern Allegheny and western Westmoreland counties in Pennsylvania with estimated damage of 18 million dollars to public infrastructure and private buildings.

Flash Flood in COLUMBIANA, OHIO
From 17-JUN-09 20:20:00 to 17-JUN-09 21:20:00 (EST-5)
Location: SALEM
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported Cunningham Road closed due to flash flooding.

Flash Flood in BELMONT, OHIO
From 17-JUN-09 21:50:00 to 18-JUN-09 00:30:00 (EST-5)
Location: SHADYSIDE
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported Wegee Creek, Pipe Creek, Cumberland Creek out of their banks with flash flooding affecting Pipe Creek Rd, Wegee Creek Rd, and Mead TWP Rd 239.

Hail in HARRISON, OHIO
From 17-JUN-09 18:55:00 to 17-JUN-09 18:55:00 (EST-5)
Location: HARRISVILLE
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in TUSCARAWAS, OHIO
From 17-JUN-09 14:40:00 to 17-JUN-09 14:40:00 (EST-5)
Location: STRASBURG
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down in Strasburg.

Thunderstorm Wind in CARROLL, OHIO
From 17-JUN-09 17:20:00 to 17-JUN-09 17:20:00 (EST-5)
Location: CARROLLTON
Magnitude: 50.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and power lines down in Carrollton.

Thunderstorm Wind in BELMONT, OHIO
From 17-JUN-09 21:00:00 to 17-JUN-09 21:00:00 (EST-5)
Location: MARTINS FERRY
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported trees down in Martins Ferry.

Thunderstorm Wind in TUSCARAWAS, OHIO
From 17-JUN-09 20:00:00 to 17-JUN-09 20:00:00 (EST-5)
Location: DENNISON
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down near Dennison.

Thunderstorm Wind in BELMONT, OHIO
From 17-JUN-09 21:00:00 to 17-JUN-09 21:00:00 (EST-5)
Location: MORRISTOWN
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported trees down in Morristown.

Thunderstorm Wind in HARRISON, OHIO
From 17-JUN-09 19:00:00 to 17-JUN-09 19:00:00 (EST-5)
Location: CADIZ
Magnitude: 50.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Newspaper

A newspaper reporter called in that the roof had been blown off the Nottingham TWP Community building.

Thunderstorm Wind in COLUMBIANA, OHIO
From 17-JUN-09 16:20:00 to 17-JUN-09 16:20:00 (EST-5)
Location: SALEM
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported trees and power lines down near Salem.

Thunderstorm Wind in COLUMBIANA, OHIO
From 17-JUN-09 16:20:00 to 17-JUN-09 16:20:00 (EST-5)
Location: LEETONIA
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported trees and power lines down near Leetonia.

Flash Flood in TUSCARAWAS, OHIO
From 17-JUN-09 21:00:00 to 17-JUN-09 21:45:00 (EST-5)
Location: ROSWELL
Flood cause: Heavy Rain
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported road flooding due to flash flooding north of Roswell.