A warm front lifted north across the region Monday morning which created an unstable air mass across the state of New York and Pennsylvania. By late Monday afternoon, a cold front moved into western New York and Pennsylvania which produced a line of thunderstorms. As the thunderstorms moved east, coverage became widespread and a major severe weather outbreak ensued for central New York and northeast Pennsylvania. Some of the thunderstorms produced winds between 70 and 100 mph. Numerous trees were knocked down and there were widespread power outages some of which lasted for several days.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 01-MAY-17 19:05:00 to 01-MAY-17 19:15:00 (EST-5)
Location: HALLSTEAD
Magnitude: 65.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: State Official

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and caused structural damage to a roof in Halstead.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 01-MAY-17 19:10:00 to 01-MAY-17 19:20:00 (EST-5)
Location: GREAT BEND
Magnitude: 55.00 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 multiple trees near Honey Hollow Road.

Thunderstorm Wind in BRADFORD, PENNSYLVANIA
From 01-MAY-17 18:35:00 to 01-MAY-17 18:45:00 (EST-5)
Location: LADDSBURG
Magnitude: 55.00 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 multiple trees in the area.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 01-MAY-17 19:05:00 to 01-MAY-17 19:15:00 (EST-5)
Location: NEW MILFORD
Magnitude: 55.00 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 which damaged power lines. Lightning caused a pole to catch on fire.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 01-MAY-17 19:17:00 to 01-MAY-17 19:27:00 (EST-5)
Location: JEFFERSON JCT
Magnitude: 50.00 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 power lines which landed on a car with occupants inside.

Thunderstorm Wind in SUSQUEHANNA, PENNSYLVANIA
From 01-MAY-17 19:20:00 to 01-MAY-17 19:30:00 (EST-5)
Location: SUSQUEHANNA
Magnitude: 50.00 EG
Property damage: 20.00K
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 which fell on two houses.

Thunderstorm Wind in LUZERNE, PENNSYLVANIA
From 01-MAY-17 22:10:00 to 01-MAY-17 22:20:00 (EST-5)
Location: WILKES BARRE
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds and uprooted trees in Wilkes-Barre Township.

Thunderstorm Wind in LACKAWANNA, PENNSYLVANIA
From 01-MAY-17 22:35:00 to 01-MAY-17 22:45:00 (EST-5)
Location: ELMHURST
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A thunderstorm moved across the region and became severe. This thunderstorm produced severe winds which produced considerable damage to a barn on Reservoir road north of Moscow.