A strong storm system approached the region from the west late Sunday afternoon, which resulted in a prefrontal trough that developed over western New York and Pennsylvania. The storm system moved into a very unstable atmosphere and showers and thunderstorms developed along the prefrontal trough. Some of these storms became severe as the system moved east.

Thunderstorm Wind in STEUBEN, NEW YORK
From 18-JUN-17 18:20:00 to 18-JUN-17 18:30:00 (EST-5)
Location: PAINTED POST
Magnitude: 55.00 EG
Property damage: 6.00K
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. Trees were also knocked over in the locations of Riverside and Hornby.

Thunderstorm Wind in SCHUYLER, NEW YORK
From 18-JUN-17 18:30:00 to 18-JUN-17 18:40:00 (EST-5)
Location: CATHARINE
Magnitude: 55.00 EG
Property damage: 4.00K
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 and wires.

Thunderstorm Wind in CAYUGA, NEW YORK
From 18-JUN-17 18:35:00 to 18-JUN-17 18:45:00 (EST-5)
Location: NILES
Magnitude: 55.00 EG
Property damage: 2.00K
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 SCHUYLER, NEW YORK
From 18-JUN-17 18:35:00 to 18-JUN-17 18:45:00 (EST-5)
Location: REYNOLDSVILLE
Magnitude: 55.00 EG
Property damage: 4.00K
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 and wires.

Thunderstorm Wind in SCHUYLER, NEW YORK
From 18-JUN-17 18:50:00 to 18-JUN-17 19:00:00 (EST-5)
Location: BEAVER DAMS
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 multiple trees and wires.

Thunderstorm Wind in TIOGA, NEW YORK
From 18-JUN-17 19:30:00 to 18-JUN-17 19:40:00 (EST-5)
Location: OWEGO
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and knocked over trees on Main Street and railroad tracks.

Thunderstorm Wind in TOMPKINS, NEW YORK
From 18-JUN-17 18:50:00 to 18-JUN-17 19:00:00 (EST-5)
Location: ITHACA
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 multiple trees and wires.

Thunderstorm Wind in YATES, NEW YORK
From 18-JUN-17 17:50:00 to 18-JUN-17 18:00:00 (EST-5)
Location: PENN YAN ARPT
Magnitude: 50.00 EG
Property damage: 2.00K
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 wires.

Thunderstorm Wind in SCHUYLER, NEW YORK
From 18-JUN-17 18:10:00 to 18-JUN-17 18:20:00 (EST-5)
Location: TYRONE
Magnitude: 55.00 EG
Property damage: 4.00K
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 and wires.

Thunderstorm Wind in STEUBEN, NEW YORK
From 18-JUN-17 18:10:00 to 18-JUN-17 18:20:00 (EST-5)
Location: CAMPBELL
Magnitude: 55.00 EG
Property damage: 2.00K
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 CAYUGA, NEW YORK
From 18-JUN-17 18:20:00 to 18-JUN-17 18:30:00 (EST-5)
Location: VENICE CENTER
Magnitude: 55.00 EG
Property damage: 2.00K
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.