An upper air disturbance and a surface trof preceding a cold front produced severe thunderstorm across Eastern Pennsylvania. Pennsylvania Power and Light reported about 10,000 of its customers in the Lehigh Valley and the northern Philadelphia suburbs in Montgomery and Bucks Counties lost power. All power was restored by 3 p.m. EDT on the 28th.

Thunderstorm Wind in NORTHAMPTON, PENNSYLVANIA
From 27-MAY-07 17:40:00 to 27-MAY-07 17:40:00 (EST-5)
Location: BETHLEHEM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm knocked down several trees and wires in Bethlehem. Pennsylvania Power and Light reported about 9,000 of its customers in the Bethelhem area lost power. All power was restored by 3 a.m. EDT on the 28th.

Thunderstorm Wind in DELAWARE, PENNSYLVANIA
From 27-MAY-07 20:30:00 to 27-MAY-07 20:45:00 (EST-5)
Location: CHADDS FORD
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down trees, tree limbs and wires in about a half dozen municipalities throughout the county. The greater concentration was in the eastern part of the county. Municipalities that reported wind damage included Birmingham (Chadds Ford) Township, Chester City, Collingdale Borough, Colwyn Borough, Lansdowne Borough and Newtown Township.

Thunderstorm Wind in BUCKS, PENNSYLVANIA
From 27-MAY-07 18:06:00 to 27-MAY-07 18:06:00 (EST-5)
Location: TINICUM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down several large tree limbs and wires in Tinicum Township. Pennsylvania Power and Light reported about 1,000 of its customers in Montgomery and Bucks Counties lost power. All power was restored by 3 p.m. EDT on the 28th.

Thunderstorm Wind in MONTGOMERY, PENNSYLVANIA
From 27-MAY-07 18:33:00 to 27-MAY-07 18:33:00 (EST-5)
Location: FRUITVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down trees and wires in Upper Hanover Township. Pennsylvania Power and Light reported about 1,000 of its customers in Montgomery and Bucks Counties lost power. All power was restored by 3 p.m. EDT on the 28th.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 27-MAY-07 19:58:00 to 27-MAY-07 19:58:00 (EST-5)
Location: KENNETT SQUARE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm pulled down large tree limbs and wires in Kennett Square.

Thunderstorm Wind in BUCKS, PENNSYLVANIA
From 27-MAY-07 20:10:00 to 27-MAY-07 20:20:00 (EST-5)
Location: NEWTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down trees and wires across lower Bucks County in Falls Township, Middletown Township, Morrisville Borough and Lower Southampton Township.

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 27-MAY-07 20:30:00 to 27-MAY-07 20:30:00 (EST-5)
Location: NEW CENTERVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

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

Thunderstorm Wind in CHESTER, PENNSYLVANIA
From 27-MAY-07 20:14:00 to 27-MAY-07 20:14:00 (EST-5)
Location: DOWNINGTOWN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm knocked down a couple of trees in West Bradford Township.