Thunderstorms ahead of an approaching strong cold front produced damaging winds during the late evening and early overnight hours. The thunderstorm winds downed trees and power lines throughout parts of the western southern tier and Finger Lakes region. Wind gusts were measured to 61 mph.  Several homes and cars were damaged by falling trees including ones in Silver Creek, Celeron and Jamestown. Approximately 70 trees at a golf course near Attica toppled. In Westfield, a garage was lifted off its foundation. Several roads were closed by fallen trees and debris including ones in Perrysburg, East Aurora, Falconer and Onoville.

Thunderstorm Wind in OSWEGO, NEW YORK
From 04-SEP-17 23:22:00 to 04-SEP-17 23:22:00 (EST-5)
Location: SOUTH HANNIBAL
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires downed by thunderstorm winds.

Thunderstorm Wind in ALLEGANY, NEW YORK
From 04-SEP-17 23:34:00 to 04-SEP-17 23:34:00 (EST-5)
Location: PHILLIPS CREEK
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires downed by thunderstorm winds.

Thunderstorm Wind in ONTARIO, NEW YORK
From 04-SEP-17 23:34:00 to 04-SEP-17 23:34:00 (EST-5)
Location: GENEVA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires downed by thunderstorm winds.

Thunderstorm Wind in ALLEGANY, NEW YORK
From 04-SEP-17 23:38:00 to 04-SEP-17 23:38:00 (EST-5)
Location: ALFRED
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires downed by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:40:00 to 04-SEP-17 21:40:00 (EST-5)
Location: LAMBERTON
Magnitude: 52.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:24:00 to 04-SEP-17 21:24:00 (EST-5)
Location: RIPLEY
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:26:00 to 04-SEP-17 21:26:00 (EST-5)
Location: DUNKIRK
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:28:00 to 04-SEP-17 21:28:00 (EST-5)
Location: BOURNES BEACH
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds lifted a garage off its foundation.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:30:00 to 04-SEP-17 21:30:00 (EST-5)
Location: WESTFIELD
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down by thunderstorm winds along Route 20 in Westfield.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:33:00 to 04-SEP-17 21:33:00 (EST-5)
Location: SILVER CREEK
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:34:00 to 04-SEP-17 21:34:00 (EST-5)
Location: BROCTON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Public

The mayor of Brocton reported a row of eight trees downed by thunderstorm winds.

Thunderstorm Wind in GENESEE, NEW YORK
From 04-SEP-17 21:36:00 to 04-SEP-17 21:36:00 (EST-5)
Location: NORTH PEMBROKE
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported wires down by thunderstorm winds on Beckwith Road.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:51:00 to 04-SEP-17 21:51:00 (EST-5)
Location: CHERRY CREEK
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Public

The public reported trees and wires downed by thunderstorm winds.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 21:54:00 to 04-SEP-17 21:54:00 (EST-5)
Location: PERRYSBURG
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires downed by thunderstorm winds along Route 39.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 21:56:00 to 04-SEP-17 21:56:00 (EST-5)
Location: DAYTON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 21:56:00 to 04-SEP-17 21:56:00 (EST-5)
Location: GOWANDA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in ERIE, NEW YORK
From 04-SEP-17 22:08:00 to 04-SEP-17 22:08:00 (EST-5)
Location: NEW OREGON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in ERIE, NEW YORK
From 04-SEP-17 22:10:00 to 04-SEP-17 22:10:00 (EST-5)
Location: SPRINGVILLE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in ERIE, NEW YORK
From 04-SEP-17 22:10:00 to 04-SEP-17 22:10:00 (EST-5)
Location: EAST AURORA
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Social Media

Reports of downed trees by thunderstorm winds were noted on social media.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 22:15:00 to 04-SEP-17 22:15:00 (EST-5)
Location: LAKEWOOD
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 22:17:00 to 04-SEP-17 22:17:00 (EST-5)
Location: CELORON
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 22:18:00 to 04-SEP-17 22:18:00 (EST-5)
Location: CELORON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Social Media

Social media showed a tree, downed by thunderstorm winds, that landed on a house.

Thunderstorm Wind in ERIE, NEW YORK
From 04-SEP-17 22:19:00 to 04-SEP-17 22:19:00 (EST-5)
Location: SARDINIA
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 21:45:00 to 04-SEP-17 21:45:00 (EST-5)
Location: DUNKIRK MUNI ARPT
Magnitude: 51.00 MG
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in ONTARIO, NEW YORK
From 04-SEP-17 22:55:00 to 04-SEP-17 22:55:00 (EST-5)
Location: PORT GIBSON
Magnitude: 50.00 MG
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 22:41:00 to 04-SEP-17 22:41:00 (EST-5)
Location: BUSTI
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 04-SEP-17 22:20:00 to 04-SEP-17 22:20:00 (EST-5)
Location: LEVANT
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds downed trees along Elmwood Avenue.

Thunderstorm Wind in WYOMING, NEW YORK
From 04-SEP-17 22:20:00 to 04-SEP-17 22:20:00 (EST-5)
Location: ARCADE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds downed trees in Arcade.

Thunderstorm Wind in WYOMING, NEW YORK
From 04-SEP-17 22:20:00 to 04-SEP-17 22:20:00 (EST-5)
Location: ATTICA
Magnitude: 50.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused substantial damage to trees at a golf course.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 22:22:00 to 04-SEP-17 22:22:00 (EST-5)
Location: ONOVILLE
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Social Media

Thunderstorm winds downed trees along Sawmill Run Road.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 22:45:00 to 04-SEP-17 22:45:00 (EST-5)
Location: HUMPHERY
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in ONTARIO, NEW YORK
From 04-SEP-17 22:50:00 to 04-SEP-17 22:50:00 (EST-5)
Location: MANCHESTER CENTER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported wires downed by thunderstorm winds.

Thunderstorm Wind in WAYNE, NEW YORK
From 04-SEP-17 22:58:00 to 04-SEP-17 22:58:00 (EST-5)
Location: NEWARK
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported wires downed by thunderstorm winds.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 23:09:00 to 04-SEP-17 23:09:00 (EST-5)
Location: OLEAN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 04-SEP-17 23:13:00 to 04-SEP-17 23:13:00 (EST-5)
Location: WESTONS MILLS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees downed by thunderstorm winds.

Thunderstorm Wind in ALLEGANY, NEW YORK
From 04-SEP-17 23:20:00 to 04-SEP-17 23:20:00 (EST-5)
Location: FRIENDSHIP
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires downed by thunderstorm winds.