A mesoscale convective complex (MCC) with vivid lightning barreled through south-central Pennsylvania from northwest to southeast during the early morning hours.   Thunderstorms organized into a bowed segment as they accelerated eastward, producing areas of wind damage across the southern portion the CWA. The damaging winds knocked down numerous trees and wires causing several thousands of customers to lose power in various locations.

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 13-JUN-13 04:20:00 to 13-JUN-13 04:20:00 (EST-5)
Location: MUNDAYS CORNER
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds estimated near 60 mph knocked down trees along Fords Corner Road in Jackson Township.

Thunderstorm Wind in ELK, PENNSYLVANIA
From 13-JUN-13 01:59:00 to 13-JUN-13 01:59:00 (EST-5)
Location: BRANDY CAMP
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down a few trees along US 219 near Brady Camp.

Thunderstorm Wind in HUNTINGDON, PENNSYLVANIA
From 13-JUN-13 05:00:00 to 13-JUN-13 05:00:00 (EST-5)
Location: WARRIORS MARK
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: 911 Call Center

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

Thunderstorm Wind in HUNTINGDON, PENNSYLVANIA
From 13-JUN-13 05:05:00 to 13-JUN-13 05:05:00 (EST-5)
Location: BARREE
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down a few trees on Barree Road in Logan Township.

Thunderstorm Wind in HUNTINGDON, PENNSYLVANIA
From 13-JUN-13 05:09:00 to 13-JUN-13 05:09:00 (EST-5)
Location: HUNTINGDON
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds estimated near 60 mph knocked down several trees across the eastern half of Huntingdon county.

Thunderstorm Wind in CENTRE, PENNSYLVANIA
From 13-JUN-13 05:20:00 to 13-JUN-13 05:20:00 (EST-5)
Location: STATE COLLEGE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees in State College Borough and surrounding Townships.

Thunderstorm Wind in CUMBERLAND, PENNSYLVANIA
From 13-JUN-13 06:13:00 to 13-JUN-13 06:13:00 (EST-5)
Location: WALNUT BOTTOM
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: 911 Call Center

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

Thunderstorm Wind in ADAMS, PENNSYLVANIA
From 13-JUN-13 06:50:00 to 13-JUN-13 06:50:00 (EST-5)
Location: BERLIN JCT
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds estimated near 60 mph knocked down a large tree at the intersection of Routes 30/94 just east of New Oxford.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 13-JUN-13 07:10:00 to 13-JUN-13 07:10:00 (EST-5)
Location: DALLASTOWN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds estimated near 60 mph knocked down trees in Dallastown.

Thunderstorm Wind in YORK, PENNSYLVANIA
From 13-JUN-13 07:25:00 to 13-JUN-13 07:25:00 (EST-5)
Location: STEWARTSTOWN
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds estimated near 60 mph produced damage in Stewartstown.

Thunderstorm Wind in LANCASTER, PENNSYLVANIA
From 13-JUN-13 07:45:00 to 13-JUN-13 07:45:00 (EST-5)
Location: CHRISTIANA
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down several trees and utility wires across southeastern Lancaster County.

Thunderstorm Wind in CENTRE, PENNSYLVANIA
From 13-JUN-13 05:15:00 to 13-JUN-13 05:15:00 (EST-5)
Location: STATE COLLEGE
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The weather station on the roof of the Walker Building (PSU meteorology) recorded a peak gust of 59 mph at 615am.