A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th. Lightning with these thunderstorms was somewhat limited, so straight-line winds and heavy downpours were the major threat as these storms moved through the area. 10,000 PECO customers lost power during the storm. Also several events were canceled such as the Governors Ball Music Festival, a NASCAR race and the Death Cab for Cutie.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 05-JUN-16 16:50:00 to 05-JUN-16 16:50:00 (EST-5)
Location: ZUCKSVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.
A couple of trees were knocked down on wires in Plainfield Township.

Thunderstorm Wind in BERKS, PENNSYLVANIA
From 05-JUN-16 16:55:00 to 05-JUN-16 16:55:00 (EST-5)
Location: BASKET
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Social Media

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.
Trees and wires were knocked down near Fleetwood.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 05-JUN-16 17:00:00 to 05-JUN-16 17:00:00 (EST-5)
Location: EMMAUS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.  A few trees were knocked down from straight-line winds in the southern portion of the county near Emmaus.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 05-JUN-16 17:11:00 to 05-JUN-16 17:11:00 (EST-5)
Location: OXFORD
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.  Trees were knocked down with road associated road closures near Lincoln University near Oxford, PA.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 05-JUN-16 17:10:00 to 05-JUN-16 17:10:00 (EST-5)
Location: OLD ZIONSVILLE
Magnitude: 50.00 EG
Property damage: 10.00K
Reported by: 911 Call Center

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.  Multiple trees and large limbs were reported knocked down across a quarter mile area near Zionsville from straight-line winds, along with 3 snapped power poles.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 05-JUN-16 17:15:00 to 05-JUN-16 17:15:00 (EST-5)
Location: LEWISVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Social Media

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.  Several trees were knocked down in Elk Township.

Thunderstorm Wind in DELAWARE, PENNSYLVANIA
From 05-JUN-16 17:50:00 to 05-JUN-16 17:50:00 (EST-5)
Location: RUTLEDGE
Magnitude: 50.00 EG
Property damage: 4.00K
Reported by: Social Media

A cold front moving into an unstable air mass over eastern Pennsylvania set off numerous showers and thunderstorms during the late afternoon hours on the 5th.  A large tree was knocked down near Wallingford, taking wires with it and landing on a car. No injuries were reported.  A wind gust of 52 MPH was reported at Philadelphia International Airport at 1801EST.