A semi-organized convective line and accompanying cool pool progressed eastward from the Upper Ohio Valley across central and southern PA during the late evening hours between 2000 and 2300 EDT. Thunderstorms along and just ahead of the line produced damaging wind gusts and large hail, consistent with reports of numerous downed trees and isolated quarter-to-golf ball sized hail (1-1.75 inches).

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 18-JUN-14 19:30:00 to 18-JUN-14 19:30:00 (EST-5)
Location: BURNSIDE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: County Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires on Maple Street in Burnside.

Hail in CLEARFIELD, PENNSYLVANIA
From 18-JUN-14 19:55:00 to 18-JUN-14 19:55:00 (EST-5)
Location: GLEN HOPE
Magnitude: 1.00 
Reported by: Social Media

Quarter size hail (1-inch diameter) was reported in Glen Hope.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 18-JUN-14 19:55:00 to 18-JUN-14 19:55:00 (EST-5)
Location: GLEN HOPE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Social Media

Thunderstorm winds estimated near 60 mph knocked down numerous trees in Glen Hope.

Thunderstorm Wind in WARREN, PENNSYLVANIA
From 18-JUN-14 20:25:00 to 18-JUN-14 20:25:00 (EST-5)
Location: IRVINE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down a few trees along SR 62 near Youngsville.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 18-JUN-14 20:35:00 to 18-JUN-14 20:35:00 (EST-5)
Location: DU BOIS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down numerous trees in DuBois.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 18-JUN-14 21:15:00 to 18-JUN-14 21:15:00 (EST-5)
Location: HEPBURNA
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: County Official

Thunderstorm winds estimated near 60 mph knocked down a large tree which partially blocked RT 219 (Mahaffey-Grampian Highway).

Thunderstorm Wind in MIFFLIN, PENNSYLVANIA
From 18-JUN-14 21:33:00 to 18-JUN-14 21:33:00 (EST-5)
Location: BELLEVILLE
Magnitude: 50.00 EG
Property damage: 2.50K
Reported by: Public

Thunderstorm winds estimated near 60 mph knocked down trees and removed numerous shingled from roof.

Hail in MIFFLIN, PENNSYLVANIA
From 18-JUN-14 21:35:00 to 18-JUN-14 21:35:00 (EST-5)
Location: BELLEVILLE
Magnitude: 1.75 
Property damage: 10.00K
Reported by: Social Media

Golf ball sized hail (1.75-inch diameter) damaged cars near Belleville.

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 18-JUN-14 22:00:00 to 18-JUN-14 22:00:00 (EST-5)
Location: WESTWOOD
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 60 mph knocked down trees and caused power outages on the west-side of Johnstown.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 18-JUN-14 22:00:00 to 18-JUN-14 22:00:00 (EST-5)
Location: ALLPORT
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: County Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires along Old Turnpike Road near Allport.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 18-JUN-14 22:11:00 to 18-JUN-14 22:11:00 (EST-5)
Location: VIRGINIA MILLS
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 60 mph knocked down numerous large branches near Fairfield.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 18-JUN-14 22:15:00 to 18-JUN-14 22:15:00 (EST-5)
Location: MCKNIGHTSTOWN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires in Cashtown.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 18-JUN-14 22:20:00 to 18-JUN-14 22:20:00 (EST-5)
Location: BONNEAUVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires in Bonneauville.

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 18-JUN-14 22:35:00 to 18-JUN-14 22:35:00 (EST-5)
Location: EAST BERLIN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: State Official

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires near East Berlin.

Thunderstorm Wind in WARREN, PENNSYLVANIA
From 18-JUN-14 20:20:00 to 18-JUN-14 20:20:00 (EST-5)
Location: WRIGHTSVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down a few trees in Lottsville.