A cold front slowly moving across the Ohio Valley was the focus for the development of scattered thunderstorms, some of which were severe, through the evening hours of the 16th of April. While cloud cover kept instability weak, some deep layer shear helped maintain some storms to severe levels. Quarter sized hail and wind damage was reported in portions of western Pennsylvania, eastern Ohio, and northern West Virginia.

Hail in BEAVER, PENNSYLVANIA
From 16-APR-13 18:07:00 to 16-APR-13 18:07:00 (EST-5)
Location: GEORGETOWN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BEAVER, PENNSYLVANIA
From 16-APR-13 18:09:00 to 16-APR-13 18:09:00 (EST-5)
Location: GEORGETOWN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 18:18:00 to 16-APR-13 18:18:00 (EST-5)
Location: CLINTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 18:30:00 to 16-APR-13 18:30:00 (EST-5)
Location: MOON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 18:32:00 to 16-APR-13 18:32:00 (EST-5)
Location: MT LEBANON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 18:45:00 to 16-APR-13 18:45:00 (EST-5)
Location: GAYLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 18:53:00 to 16-APR-13 18:53:00 (EST-5)
Location: ROOK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 18:49:00 to 16-APR-13 18:49:00 (EST-5)
Location: CRAFTON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: State Official

State official reported trees and wires down.

Thunderstorm Wind in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 19:09:00 to 16-APR-13 19:09:00 (EST-5)
Location: LIBERTY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees down.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 16-APR-13 19:25:00 to 16-APR-13 19:25:00 (EST-5)
Location: NORTH IRWIN
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

The public submitted a photo of large limbs down.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 16-APR-13 20:00:00 to 16-APR-13 20:00:00 (EST-5)
Location: KINGSTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported trees blown down on Route 30 and Chestnut Ridge Road near Sleepy Hollow.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 16-APR-13 18:30:00 to 16-APR-13 18:30:00 (EST-5)
Location: ECONOMY
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Management reported trees blown down in Economy.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 16-APR-13 18:05:00 to 16-APR-13 18:05:00 (EST-5)
Location: FREEDOM
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported trees blown down in New Sewickley Township, east of Monaca.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 16-APR-13 18:18:00 to 16-APR-13 18:18:00 (EST-5)
Location: BADEN
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported one tree down.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 19:35:00 to 16-APR-13 19:35:00 (EST-5)
Location: CLIFF MINE
Flood cause: Heavy Rain
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Employee

A National Weather Service employee reported mud and debris flow blocked half of Robinson Town Centre Boulevard near Park Manor Boulevard.

Flash Flood in ALLEGHENY, PENNSYLVANIA
From 16-APR-13 19:55:00 to 16-APR-13 20:55:00 (EST-5)
Location: CRAFTON
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Management reported cars stuck in water on route 51 near the West End Bridge.