A cold front moved across the Upper Ohio Valley on July 3rd.  Scattered showers and thunderstorms developed ahead of the front.  A few of the thunderstorms became severe.

Hail in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:41:00 to 03-JUL-12 19:41:00 (EST-5)
Location: MEADVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny sized hail was reported.

Thunderstorm Wind in ERIE, PENNSYLVANIA
From 03-JUL-12 18:44:00 to 03-JUL-12 18:44:00 (EST-5)
Location: NORTH SPRINGFIELD
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a few trees.

Hail in ERIE, PENNSYLVANIA
From 04-JUL-12 19:01:00 to 04-JUL-12 19:01:00 (EST-5)
Location: EDINBORO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail was observed.

Hail in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:15:00 to 03-JUL-12 19:15:00 (EST-5)
Location: DRAKES MILLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Quarter sized hail was reported.

Thunderstorm Wind in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:15:00 to 03-JUL-12 19:15:00 (EST-5)
Location: DRAKES MILLS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm wind gusts were estimated to be 65 mph by a retired meteorologist.

Thunderstorm Wind in ERIE, PENNSYLVANIA
From 03-JUL-12 19:08:00 to 03-JUL-12 19:08:00 (EST-5)
Location: EDINBORO
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds downed several trees and large limbs.

Thunderstorm Wind in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 21:25:00 to 03-JUL-12 21:25:00 (EST-5)
Location: TOWNVILLE
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed a few trees.

Thunderstorm Wind in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:25:00 to 03-JUL-12 19:25:00 (EST-5)
Location: MEADVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a few trees.

Thunderstorm Wind in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:05:00 to 03-JUL-12 19:05:00 (EST-5)
Location: SHADELAND
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed a few trees.  At least one road was blocked by fallen trees.

Thunderstorm Wind in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 20:00:00 to 03-JUL-12 20:00:00 (EST-5)
Location: GUYS MILLS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds downed some trees.

Hail in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:41:00 to 03-JUL-12 19:41:00 (EST-5)
Location: MEADVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny sized hail was observed.

Thunderstorm Wind in ERIE, PENNSYLVANIA
From 03-JUL-12 19:00:00 to 03-JUL-12 19:00:00 (EST-5)
Location: EDINBORO
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds downed several trees.

Thunderstorm Wind in CRAWFORD, PENNSYLVANIA
From 03-JUL-12 19:14:00 to 03-JUL-12 19:15:00 (EST-5)
Location: CAMBRIDGE SPGS
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds downed many trees.  Much of the town lost power.