Severe Thunderstorms over northern Ohio and southeast Ontario tracked eastward across central Pennsylvania during the late afternoon and evening. Moderate instability and  favorable winds aloft maintained the severe storms which produced damaging winds and excessive rainfall. Very wet antecedent conditions coupled with the heavy thunderstorm rains resulted in areas of flash flooding.

Thunderstorm Wind in SOMERSET, PENNSYLVANIA
From 10-JUL-13 18:30:00 to 10-JUL-13 18:30:00 (EST-5)
Location: TIRE HILL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds estimated around 60 mph knocked down a swath of trees on Schaffer Mountain near the Cambria/Somerset county line. Video evidence along with radar signatures confirmed a gustnado developed on the leading edge of thunderstorm outflow ahead of a squall line that pushed west-to-east into the Laurel Highlands. It was concluded that the gustnado was primarily responsible for the concentrated area of downed trees.

Thunderstorm Wind in WARREN, PENNSYLVANIA
From 10-JUL-13 15:56:00 to 10-JUL-13 15:56:00 (EST-5)
Location: COLUMBUS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

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

Thunderstorm Wind in WARREN, PENNSYLVANIA
From 10-JUL-13 16:15:00 to 10-JUL-13 16:15:00 (EST-5)
Location: LANDER
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

Thunderstorm winds estimated near 60 mph knocked down trees at the intersection of Route 957 and Lanning Hill Road.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 17:45:00 to 10-JUL-13 17:45:00 (EST-5)
Location: HYDE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Social Media

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

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 17:36:00 to 10-JUL-13 17:36:00 (EST-5)
Location: BRIDGEPORT
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees and utility wires along Greenville Pike in Bloom Township.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 17:32:00 to 10-JUL-13 17:32:00 (EST-5)
Location: LUMBER CITY
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees along William Cemetery Road near Eagles Ridge Golf Club.

Thunderstorm Wind in CENTRE, PENNSYLVANIA
From 10-JUL-13 18:20:00 to 10-JUL-13 18:20:00 (EST-5)
Location: SNOW SHOE STATION
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down utility wires near Clarence in Snow Shoe Township.

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 10-JUL-13 18:44:00 to 10-JUL-13 18:44:00 (EST-5)
Location: FERNDALE
Magnitude: 50.00 EG
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down utility wires on to a house in Ferndale.

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 10-JUL-13 18:04:00 to 10-JUL-13 18:04:00 (EST-5)
Location: HASTINGS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

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

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 10-JUL-13 18:49:00 to 10-JUL-13 18:49:00 (EST-5)
Location: LORAIN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees in Stoney Creek Township on the south-side of Johnstown.

Flash Flood in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 18:08:00 to 10-JUL-13 20:51:00 (EST-5)
Location: MC GEES MILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Heavy thunderstorm rains flooded and closed portions of Route 36 and 219 near Mahaffey.

Flash Flood in CENTRE, PENNSYLVANIA
From 10-JUL-13 19:12:00 to 10-JUL-13 21:28:00 (EST-5)
Location: BUFFALO RUN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Heavy thunderstorm rains caused flash flooding around State College. A few vehicles were stranded in standing water on Atherton Street near the bus terminal. This section of Atherton Street was briefly impassable. Thompson Run came out of its banks and closed the eastbound lane of College Avenue in front of the Your Building Center.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 17:45:00 to 10-JUL-13 17:45:00 (EST-5)
Location: SUSQUEHANNA BRIDGE
Magnitude: 50.00 EG
Property damage: 2.50K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees along the Clearfield-Curwensville Highway.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 17:35:00 to 10-JUL-13 17:35:00 (EST-5)
Location: CURWENSVILLE
Magnitude: 50.00 EG
Property damage: 2.50K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down utility in Pike Township near Curwensville.

Thunderstorm Wind in CLEARFIELD, PENNSYLVANIA
From 10-JUL-13 17:45:00 to 10-JUL-13 17:45:00 (EST-5)
Location: SUSQUEHANNA BRIDGE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees a few miles east of Curwensville in Lawrence Township.

Thunderstorm Wind in CAMBRIA, PENNSYLVANIA
From 10-JUL-13 18:44:00 to 10-JUL-13 18:44:00 (EST-5)
Location: LORAIN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Thunderstorm winds estimated near 60 mph knocked down trees along Coleman Avenue on the south-side of Johnstown.