A cold front located over central Michigan early Sunday morning quickly moved east towards central New York and northeast Pennsylvania by Monday afternoon.  Showers and thunderstorms developed ahead and along the front within a warm and very unstable air mass as it propagated eastward.  Some of these storms became severe.

Thunderstorm Wind in TOMPKINS, NEW YORK
From 16-APR-17 14:25:00 to 16-APR-17 14:35:00 (EST-5)
Location: TRUMANSBURG
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 resulted in a tree being knocked over.

Thunderstorm Wind in TOMPKINS, NEW YORK
From 16-APR-17 14:38:00 to 16-APR-17 14:48:00 (EST-5)
Location: PERUVILLE
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 resulted in small trees and branches being knocked over on Peruville road.

Thunderstorm Wind in CHEMUNG, NEW YORK
From 16-APR-17 14:40:00 to 16-APR-17 14:50:00 (EST-5)
Location: WEST ELMIRA
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Unknown

A thunderstorm moved across the region and became severe. This thunderstorm resulted in a tree being knocked over.

Thunderstorm Wind in CHENANGO, NEW YORK
From 16-APR-17 15:20:00 to 16-APR-17 15:30:00 (EST-5)
Location: EAST MC DONOUGH
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 resulted in trees being knocked over on wires on route 220.

Thunderstorm Wind in CORTLAND, NEW YORK
From 16-APR-17 14:47:00 to 16-APR-17 14:57:00 (EST-5)
Location: VIRGIL
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm resulted in two small trees being knocked over on wires on route 11.

Thunderstorm Wind in CHENANGO, NEW YORK
From 16-APR-17 15:30:00 to 16-APR-17 15:40:00 (EST-5)
Location: NORWICH
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 resulted in trees being knocked over on wires.

Thunderstorm Wind in OTSEGO, NEW YORK
From 16-APR-17 15:50:00 to 16-APR-17 16:00:00 (EST-5)
Location: UNADILLA
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 resulted in a tree being knocked over on county route 1.

Thunderstorm Wind in DELAWARE, NEW YORK
From 16-APR-17 16:15:00 to 16-APR-17 16:25:00 (EST-5)
Location: DELHI
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: COOP Observer

A thunderstorm moved across the region and became severe. This thunderstorm resulted in trees being knocked over.

Thunderstorm Wind in TOMPKINS, NEW YORK
From 16-APR-17 14:25:00 to 16-APR-17 14:35:00 (EST-5)
Location: MYERS
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm moved across the region and became severe. This thunderstorm resulted in measured gust of 52 knots.

Thunderstorm Wind in BROOME, NEW YORK
From 16-APR-17 16:03:00 to 16-APR-17 16:13:00 (EST-5)
Location: SANFORD
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 resulted in a trees being knocked over on power lines and power line poles snapped on River road.