For the second day in a row, an approaching cold front triggered a cluster of strong to severe thunderstorms across Eastern Pennsylvania mainly during the early evening of the 3rd.  PECO Energy reported about 150,000 of its customers lost power in southeast Pennsylvania. Hardest hit was Chester County with 59,000 outages.  Approximately 35,000 homes and businesses were still without power at Noon EDT on the 4th. All power was restored by the 6th. Many planned firework events on the 3rd were postponed.

Thunderstorm Wind in CARBON, PENNSYLVANIA
From 03-JUL-14 17:02:00 to 03-JUL-14 17:02:00 (EST-5)
Location: LEHIGHTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm knocked down numerous trees in Lehighton.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 03-JUL-14 17:30:00 to 03-JUL-14 17:30:00 (EST-5)
Location: KENNETT SQUARE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down trees and wires in Kennett Square. PECO Energy reported about 59,000 of its customers in Chester County lost power.

Thunderstorm Wind in MONROE, PENNSYLVANIA
From 03-JUL-14 17:34:00 to 03-JUL-14 17:34:00 (EST-5)
Location: MOUNTAINHOME
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down a few trees in Mountainhome within Barrett Township.

Thunderstorm Wind in DELAWARE, PENNSYLVANIA
From 03-JUL-14 17:47:00 to 03-JUL-14 17:47:00 (EST-5)
Location: MEDIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

A severe thunderstorm uprooted trees in Media.  PECO Energy reported about 15,000 of its customers lost power in Delaware County.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 03-JUL-14 17:50:00 to 03-JUL-14 17:50:00 (EST-5)
Location: CEDARVILLE
Magnitude: 52.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a couple of trees in North Coventry Township. One fell onto and damaged a home.

Thunderstorm Wind in PHILADELPHIA, PENNSYLVANIA
From 03-JUL-14 18:13:00 to 03-JUL-14 18:13:00 (EST-5)
Location: TORRESDALE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm knocked down several trees in lower sections of Northeast Philadelphia.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 03-JUL-14 12:57:00 to 03-JUL-14 12:57:00 (EST-5)
Location: ACKERMANVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down a few large tree limbs as well as a tree onto wires along Ackermanville Road in Washington Township.

Thunderstorm Wind in CARBON, PENNSYLVANIA
From 03-JUL-14 17:01:00 to 03-JUL-14 17:01:00 (EST-5)
Location: HARRITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A severe thunderstorm knocked down several trees in Franklin Township.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 03-JUL-14 17:15:00 to 03-JUL-14 17:15:00 (EST-5)
Location: OXFORD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a few trees and wires in Oxford.

Thunderstorm Wind in PHILADELPHIA, PENNSYLVANIA
From 03-JUL-14 18:17:00 to 03-JUL-14 18:17:00 (EST-5)
Location: (PNE)NE ARPT PHILADE
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A severe thunderstorm produced a wind gust of 66 mph at Northeast Philadelphia Airport at 717 p.m. EDT.  Earlier the same thunderstorm produced a wind gust of 54 mph at Philadelphia International Airport at 659 p.m. EDT. PECO Energy reported about 30,000 of its customers lost power in Philadelphia.

Hail in CARBON, PENNSYLVANIA
From 03-JUL-14 17:01:00 to 03-JUL-14 17:01:00 (EST-5)
Location: LEHIGHTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm dropped half dollar size hail in Lehighton.

Thunderstorm Wind in MONTGOMERY, PENNSYLVANIA
From 03-JUL-14 18:05:00 to 03-JUL-14 18:10:00 (EST-5)
Location: PENNSBURG
Magnitude: 52.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down several trees across northeastern Montgomery County in Upper Frederick and  Upper Salford Townships; the Harleysville section of Lower Salford Township and in Pennsburg and East Greenville. PECO Energy reported about15,000 of its customers lost power in Montgomery County.

Hail in CARBON, PENNSYLVANIA
From 03-JUL-14 17:06:00 to 03-JUL-14 17:06:00 (EST-5)
Location: HARRITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm also dropped quarter size hail in Franklin Township.

Thunderstorm Wind in BUCKS, PENNSYLVANIA
From 03-JUL-14 18:21:00 to 03-JUL-14 18:34:00 (EST-5)
Location: DAVISVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down several trees across lower Buck County from Upper Southampton east through Lower Makefield Township. PECO Energy reported about 25,000 of its customers lost power in Bucks County.

Thunderstorm Wind in DELAWARE, PENNSYLVANIA
From 03-JUL-14 17:42:00 to 03-JUL-14 17:42:00 (EST-5)
Location: GLEN MILLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm knocked down numerous trees in Glen Mills.