A weak cold front moved across the region Thursday afternoon and interacted with a very unstable environment. A weak storm system moved across the state of New York and northern Pennsylvania and initiated convection along the front. Showers and thunderstorms developed along and ahead of the front and quickly became a line of storms. As the line of storms moved east, some of the thunderstorms became severe and produced damaging winds.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 20-JUL-17 16:10:00 to 20-JUL-17 16:20:00 (EST-5)
Location: SOUTH GIBSON
Magnitude: 55.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over multiple trees.

Lightning in LACKAWANNA, PENNSYLVANIA
From 20-JUL-17 16:43:00 to 20-JUL-17 16:53:00 (EST-5)
Location: CARBONDALE
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and struck a house with lightning.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 20-JUL-17 15:00:00 to 20-JUL-17 15:10:00 (EST-5)
Location: COLUMBIA XRDS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over a tree across Watkins Hill Road.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 20-JUL-17 15:04:00 to 20-JUL-17 15:14:00 (EST-5)
Location: SOUTH WAVERLY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over a tree across Elmira Street.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 20-JUL-17 15:56:00 to 20-JUL-17 16:06:00 (EST-5)
Location: RUSH
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over a tree and power lines across Gary Road.

Thunderstorm Wind in LUZERNE, PENNSYLVANIA
From 20-JUL-17 16:15:00 to 20-JUL-17 16:25:00 (EST-5)
Location: ASHLEY
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over a tree and wires.

Thunderstorm Wind in WAYNE, PENNSYLVANIA
From 20-JUL-17 16:45:00 to 20-JUL-17 16:55:00 (EST-5)
Location: LAKE ARIEL
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over a tree across Maplewood Road.

Thunderstorm Wind in PIKE, PENNSYLVANIA
From 20-JUL-17 17:15:00 to 20-JUL-17 17:25:00 (EST-5)
Location: LACKAWAXEN
Magnitude: 60.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over trees.

Thunderstorm Wind in PIKE, PENNSYLVANIA
From 20-JUL-17 17:20:00 to 20-JUL-17 17:30:00 (EST-5)
Location: SHOHOLA
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over a tree on a house.

Thunderstorm Wind in LACKAWANNA, PENNSYLVANIA
From 20-JUL-17 16:28:00 to 20-JUL-17 16:38:00 (EST-5)
Location: JUSTUS
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm moved across the region and became severe. This thunderstorm produced a wind gust of 72 MPH.

Thunderstorm Wind in LACKAWANNA, PENNSYLVANIA
From 20-JUL-17 17:06:00 to 20-JUL-17 17:16:00 (EST-5)
Location: JUSTUS
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A thunderstorm moved across the region and became severe. This thunderstorm produced a wind gust of 72 MPH.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 20-JUL-17 15:10:00 to 20-JUL-17 15:20:00 (EST-5)
Location: WINDHAM
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over trees and ripped a door off from a house in the vicinity of 2202 Arnold Road.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 20-JUL-17 15:18:00 to 20-JUL-17 15:28:00 (EST-5)
Location: ROME
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over numerous trees.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 20-JUL-17 15:25:00 to 20-JUL-17 15:35:00 (EST-5)
Location: NEW ALBANY
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over numerous trees.