Showers and thunderstorms, some of which became severe developed ahead of and along a passing cold front on the 4th. While instability was rather modest, shear supported some storms to severe levels, with damaging wind as a result.

Thunderstorm Wind in JEFFERSON, PENNSYLVANIA
From 04-MAY-18 16:22:00 to 04-MAY-18 16:22:00 (EST-5)
Location: BROOKVILLE
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency manager reported trees and wires down in the central and northern parts of the county.

Thunderstorm Wind in MERCER, PENNSYLVANIA
From 04-MAY-18 15:01:00 to 04-MAY-18 15:01:00 (EST-5)
Location: SHEAKLEYVILLE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: State Official

State official reported two trees down in Sheakleyville.

Thunderstorm Wind in LAWRENCE, PENNSYLVANIA
From 04-MAY-18 15:20:00 to 04-MAY-18 15:20:00 (EST-5)
Location: WILMINGTON JCT
Magnitude: 50.00 EG
Reported by: 911 Call Center

A 911 Call Center confirmed that trees were down.

Thunderstorm Wind in LAWRENCE, PENNSYLVANIA
From 04-MAY-18 15:20:00 to 04-MAY-18 15:20:00 (EST-5)
Location: NESHANNOCK FALLS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A 911 call center confirmed that trees and power lines were down.

Thunderstorm Wind in VENANGO, PENNSYLVANIA
From 04-MAY-18 15:20:00 to 04-MAY-18 15:20:00 (EST-5)
Location: ROCKY GROVE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Trees were reported down.

Thunderstorm Wind in VENANGO, PENNSYLVANIA
From 04-MAY-18 15:25:00 to 04-MAY-18 15:25:00 (EST-5)
Location: PLEASANTVILLE
Magnitude: 50.00 EG
Reported by: Social Media

Trees were reported down.

Thunderstorm Wind in VENANGO, PENNSYLVANIA
From 04-MAY-18 15:28:00 to 04-MAY-18 15:28:00 (EST-5)
Location: FRANKLIN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Trees were reported down.

Thunderstorm Wind in VENANGO, PENNSYLVANIA
From 04-MAY-18 15:35:00 to 04-MAY-18 15:35:00 (EST-5)
Location: SENECA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Trees reported down.

Thunderstorm Wind in CLARION, PENNSYLVANIA
From 04-MAY-18 15:48:00 to 04-MAY-18 15:48:00 (EST-5)
Location: KNOX
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CLARION, PENNSYLVANIA
From 04-MAY-18 15:53:00 to 04-MAY-18 15:53:00 (EST-5)
Location: ALUM ROCK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tree down on a house.

Thunderstorm Wind in CLARION, PENNSYLVANIA
From 04-MAY-18 15:55:00 to 04-MAY-18 15:55:00 (EST-5)
Location: CLARION CO ARPT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees down; 1 home received major damage, 1 home received minor damage, and 1 storage shed was damaged.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 04-MAY-18 16:27:00 to 04-MAY-18 16:27:00 (EST-5)
Location: BRIDGEWATER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down.

Thunderstorm Wind in BEAVER, PENNSYLVANIA
From 04-MAY-18 16:40:00 to 04-MAY-18 16:40:00 (EST-5)
Location: ECONOMY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees down.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 04-MAY-18 17:08:00 to 04-MAY-18 17:08:00 (EST-5)
Location: ARNOLA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous trees reported down in this vicinity.

Thunderstorm Wind in WESTMORELAND, PENNSYLVANIA
From 04-MAY-18 17:16:00 to 04-MAY-18 17:16:00 (EST-5)
Location: EDGECLIFF
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous trees down in this vicinity.