Multicluster thunderstorms developed under an unstable airmass with limted wind shear over OH and PA. While the primary threat was wind damage, weak shear and sufficient moisture gave way for the threat of slow moving storms with heavy downpours, enhancing the flash flood threat.

Hail in MERCER, PENNSYLVANIA
From 22-JUL-11 16:30:00 to 22-JUL-11 16:30:00 (EST-5)
Location: TRANSFER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 22-JUL-11 16:15:00 to 22-JUL-11 16:15:00 (EST-5)
Location: SHARON ARPT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

State official reported large trees and power lines blown down.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 22-JUL-11 16:18:00 to 22-JUL-11 16:18:00 (EST-5)
Location: NEW BRIGHTON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

State official reported large trees and power lines blown down.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 22-JUL-11 16:29:00 to 22-JUL-11 16:29:00 (EST-5)
Location: HENLEIN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported multiple trees and wires down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 22-JUL-11 16:30:00 to 22-JUL-11 16:30:00 (EST-5)
Location: BRACKENRIDGE
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

State official reported several festival tents blown over.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 22-JUL-11 16:30:00 to 22-JUL-11 16:30:00 (EST-5)
Location: MERCER
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

State official reported large trees and power lines blown down.

Thunderstorm Wind in BUTLER, PENNSYLVANIA
From 22-JUL-11 16:35:00 to 22-JUL-11 16:35:00 (EST-5)
Location: SARVER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Employee

National Weather Service employee reports large trees blown down.

Thunderstorm Wind in LAWRENCE, PENNSYLVANIA
From 22-JUL-11 16:35:00 to 22-JUL-11 16:35:00 (EST-5)
Location: ELLWOOD CITY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

The public reports large branches down.

Thunderstorm Wind in LAWRENCE, PENNSYLVANIA
From 22-JUL-11 16:35:00 to 22-JUL-11 16:35:00 (EST-5)
Location: NEW WILMINGTON
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: State Official

State official reported numerous large trees and power lines blown down onto State Route 208 and Ligo Drive.

Thunderstorm Wind in ARMSTRONG, PENNSYLVANIA
From 22-JUL-11 16:40:00 to 22-JUL-11 16:40:00 (EST-5)
Location: FREEPORT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire rescue reported multiple trees down.

Thunderstorm Wind in VENANGO, PENNSYLVANIA
From 22-JUL-11 17:00:00 to 22-JUL-11 17:00:00 (EST-5)
Location: NECTARINE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

State official reported tree down on I-80.

Thunderstorm Wind in ARMSTRONG, PENNSYLVANIA
From 22-JUL-11 17:05:00 to 22-JUL-11 17:05:00 (EST-5)
Location: BOGGSVILLE
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Employee

NWS employee reported large trees and power lines blown down onto Furnace Run and Iron Bridge Roads.

Thunderstorm Wind in ARMSTRONG, PENNSYLVANIA
From 22-JUL-11 17:12:00 to 22-JUL-11 17:12:00 (EST-5)
Location: CADOGAN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

State official reported few trees down.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 22-JUL-11 17:15:00 to 22-JUL-11 17:15:00 (EST-5)
Location: GROVE CITY
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: State Official

State official reported large trees and power lines blown down.

Thunderstorm Wind in BUTLER, PENNSYLVANIA
From 22-JUL-11 17:30:00 to 22-JUL-11 17:30:00 (EST-5)
Location: FENELTON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire rescue reported numerous trees down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 22-JUL-11 17:35:00 to 22-JUL-11 17:35:00 (EST-5)
Location: MONTROSE HILL
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported trees down on road.

Thunderstorm Wind in FAYETTE, PENNSYLVANIA
From 22-JUL-11 18:20:00 to 22-JUL-11 18:20:00 (EST-5)
Location: DUTCH HILL
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

State official reported multiple trees down on Driftwood Road.

Flood in GREENE, PENNSYLVANIA
From 22-JUL-11 19:00:00 to 22-JUL-11 23:00:00 (EST-5)
Location: WAYNESBURG
Flood cause: Heavy Rain
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

State emergency management reports of flooding in Waynesburg Borough and Franklin township. Some municipal roadways closed.

Lightning in WASHINGTON, PENNSYLVANIA
From 22-JUL-11 13:30:00 to 22-JUL-11 13:30:00 (EST-5)
Location: CANONSBURG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

An 11-year-old girl was struck by a bolt from the blue in the afternoon on July 22nd. The lightning hit the girl as she was walking down a hill in North Strabane Township. The bolt hit her on the left shoulder, leaving a burn-like mark and exited her wrist, where it left another mark. Doctors discovered her arm was broken, but otherwise she's okay.

Thunderstorm Wind in FAYETTE, PENNSYLVANIA
From 22-JUL-11 19:00:00 to 22-JUL-11 19:00:00 (EST-5)
Location: STAR JCT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

State official reported trees down.