A powerful squall line of strong to severe thunderstorms moved through Eastern Pennsylvania during the very late afternoon and first half of the evening on the 26th. Over 17,000 homes and businesses lost power because of downed trees, tree limbs and wires.  More than 10,000 still did not have power on the morning of the 27th.

Hail in NORTHAMPTON, PENNSYLVANIA
From 26-JUL-12 17:25:00 to 26-JUL-12 17:25:00 (EST-5)
Location: TATAMY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped penny size hail in Tatamy.

Thunderstorm Wind in MONROE, PENNSYLVANIA
From 26-JUL-12 17:10:00 to 26-JUL-12 17:10:00 (EST-5)
Location: JONAS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm downed large tree limbs and wires in Polk Township. Downed wires on Huntingdon Road started a brush fire.

Thunderstorm Wind in MONROE, PENNSYLVANIA
From 26-JUL-12 17:20:00 to 26-JUL-12 17:20:00 (EST-5)
Location: PARADISE VLY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm downed a couple of trees in Paradise Township. One downed tree briefly blocked Pennsylvania State Route 940 in Paradise Township.

Thunderstorm Wind in MONROE, PENNSYLVANIA
From 26-JUL-12 17:25:00 to 26-JUL-12 17:25:00 (EST-5)
Location: SAYLORSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm downed a couple of trees and wires in the Cherry Valley section of Hamilton Township. About 6,000 Pennsylvania Power and Light and Metropolitan Edison customers lost power in Monroe County. A peak wind gust of 52 mph also occurred at the Pocono Municipal Airport in Mount Pocono.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 26-JUL-12 17:30:00 to 26-JUL-12 17:30:00 (EST-5)
Location: ALLENTOWN
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm blew a vendor's trailer into a parked car outside of Coca-Cola Park in Allentown and caused minor damage. The same severe thunderstorm knocked down a few large trees in the city.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 26-JUL-12 17:15:00 to 26-JUL-12 17:15:00 (EST-5)
Location: NORTHAMPTON
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down large tree limbs and wires on Newport Avenue in Northampton Borough. Main Street in the borough was also closed from 4th through 7th Streets due to a downed pole and wires.

Lightning in LEHIGH, PENNSYLVANIA
From 26-JUL-12 17:56:00 to 26-JUL-12 17:56:00 (EST-5)
Location: ALBURTIS
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a home on Main Street in Alburtis and caused a smoky fire. No injuries were reported.

Thunderstorm Wind in CARBON, PENNSYLVANIA
From 26-JUL-12 17:00:00 to 26-JUL-12 17:00:00 (EST-5)
Location: PALMERTON
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 power lines in Palmerton.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 26-JUL-12 17:13:00 to 26-JUL-12 17:13:00 (EST-5)
Location: COPELLA
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained Skywarn Spotter measured a wind gust of 62 mph during a severe thunderstorm in Bushkill Township. Another Skywarn Spotter measured a wind gust of 57 mph in Forks Township.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 26-JUL-12 17:17:00 to 26-JUL-12 17:17:00 (EST-5)
Location: BATH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down a few trees in Bath.

Thunderstorm Wind in MONROE, PENNSYLVANIA
From 26-JUL-12 17:35:00 to 26-JUL-12 17:35:00 (EST-5)
Location: DELEWARE WATER GAP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

A severe thunderstorm knocked over at least one tractor-trailer on Interstate 80 near the Pennsylvania and New Jersey state line.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 26-JUL-12 18:04:00 to 26-JUL-12 18:04:00 (EST-5)
Location: ELVERSON
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained Skywarn Spotter measured a wind gust to 64 mph during a severe thunderstorm in Elverson Borough.

Thunderstorm Wind in BUCKS, PENNSYLVANIA
From 26-JUL-12 17:50:00 to 26-JUL-12 17:50:00 (EST-5)
Location: QUAKERTOWN
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down trees along Welsh Road in Quakertown.

Thunderstorm Wind in PHILADELPHIA, PENNSYLVANIA
From 26-JUL-12 18:35:00 to 26-JUL-12 18:35:00 (EST-5)
Location: FOX CHASE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down trees on the 7700 block of Bradford Street in northeast Philadelphia. Residents were stuck inside one home.

Thunderstorm Wind in PHILADELPHIA, PENNSYLVANIA
From 26-JUL-12 18:34:00 to 26-JUL-12 18:34:00 (EST-5)
Location: SHAWMONT
Magnitude: 52.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down a couple of trees in the Roxborough section of the city. One downed tree on Acorn Street smashed the window and brick facade of one home.

Lightning in PHILADELPHIA, PENNSYLVANIA
From 26-JUL-12 18:45:00 to 26-JUL-12 18:45:00 (EST-5)
Location: WAYNE JCT
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Newspaper

A lightning strike in Fairmont Park took down a tree and wires. The wires fell onto a car and trapped a woman for thirty minutes.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 26-JUL-12 17:35:00 to 26-JUL-12 17:35:00 (EST-5)
Location: FLICKSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down large tree limbs and wires onto State Route 1017 in Washington Township.

Thunderstorm Wind in LEHIGH, PENNSYLVANIA
From 26-JUL-12 17:10:00 to 26-JUL-12 17:10:00 (EST-5)
Location: ALLENTOWN
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm downed a couple of trees In Whitehall Township. One large tree fell onto and damaged the brick structure of a home on Oakwood Drive.