Thunderstorms developed ahead of and along a cold front producing flash flooding and wind damage across Southeast Ohio, Western Pennsylvania, and Northern West Virginia.

Flash Flood in BUTLER, PENNSYLVANIA
From 20-AUG-07 11:35:00 to 20-AUG-07 13:35:00 (EST-5)
Location: BUTLER
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported a number of roads in the city were closed due to flash flooding.

Flash Flood in BUTLER, PENNSYLVANIA
From 20-AUG-07 11:35:00 to 20-AUG-07 13:40:00 (EST-5)
Location: EVANS CITY
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Public

The public reported streams out of their banks and flash flooding of roads and bridges in the Evans City area.

Flash Flood in BEAVER, PENNSYLVANIA
From 20-AUG-07 11:45:00 to 20-AUG-07 13:30:00 (EST-5)
Location: KOPPEL
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported a number of cars trapped in flood waters near the Koppel bridge due to flash flooding. Motorists were assisted from cars by police.

Flash Flood in BEAVER, PENNSYLVANIA
From 20-AUG-07 11:45:00 to 20-AUG-07 13:30:00 (EST-5)
Location: FOMBELL
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Franklin township near Fombell reported a number of cars  trapped in flash flood waters that had to be assisted from  vehicles by police department.

Flash Flood in LAWRENCE, PENNSYLVANIA
From 20-AUG-07 11:45:00 to 20-AUG-07 13:00:00 (EST-5)
Location: MAHONINGTOWN
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported Lafayette Street underpass in Mahoningtown under water. 400 block of Lawrence Road caved in. Mercer road and 5th Street underpass flooded.

Thunderstorm Wind in FAYETTE, PENNSYLVANIA
From 20-AUG-07 17:40:00 to 20-AUG-07 17:40:00 (EST-5)
Location: LEITH
Magnitude: 50.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees and power lines down along Route 51.

Flash Flood in BEAVER, PENNSYLVANIA
From 20-AUG-07 11:20:00 to 20-AUG-07 12:30:00 (EST-5)
Location: KOPPEL
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported a number of roads flooded and water in some homes. The Koppel bridge was closed due to flooding.

Flash Flood in BEAVER, PENNSYLVANIA
From 20-AUG-07 11:20:00 to 20-AUG-07 13:00:00 (EST-5)
Location: FOMBELL
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported flash flooding had a number of roads closed and an unspecified number of houses affected.

Flash Flood in LAWRENCE, PENNSYLVANIA
From 20-AUG-07 11:25:00 to 20-AUG-07 13:00:00 (EST-5)
Location: ELLWOOD CITY
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding was reported by emergency management in a number of sections of the city  with numerous roads closed.

Flash Flood in LAWRENCE, PENNSYLVANIA
From 20-AUG-07 11:25:00 to 20-AUG-07 13:00:00 (EST-5)
Location: NEW CASTLE
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported numerous roads closed due to flash flooding in the city.

Flash Flood in BUTLER, PENNSYLVANIA
From 20-AUG-07 11:35:00 to 20-AUG-07 13:30:00 (EST-5)
Location: ZELIENOPLE
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported a number of roads closed due to flash flooding in town and surrounding area.