Thunderstorms developed ahead of and along a cold front that crossed the area during the late afternoon and evening hours. The thunderstorms produced damaging wind gusts estimated to 65 mph.  Trees, power lines and poles were downed by the winds. Utility companies reported tens of thousands without power across the region.  In Grand Island, the winds blew down soccer goals.  Quarter-sized hail was also reported with the storms in Lewis County.

Thunderstorm Wind in JEFFERSON, NEW YORK
From 28-JUL-10 16:44:00 to 28-JUL-10 16:44:00 (EST-5)
Location: CLAYTON
Magnitude: 56.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported utility poles and lines down.

Thunderstorm Wind in JEFFERSON, NEW YORK
From 28-JUL-10 16:54:00 to 28-JUL-10 16:54:00 (EST-5)
Location: CAPE VINCENT
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 28-JUL-10 18:20:00 to 28-JUL-10 18:20:00 (EST-5)
Location: YORKSHIRE
Magnitude: 54.00 MG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in WYOMING, NEW YORK
From 28-JUL-10 18:30:00 to 28-JUL-10 18:30:00 (EST-5)
Location: ARCADE
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in LIVINGSTON, NEW YORK
From 28-JUL-10 18:59:00 to 28-JUL-10 18:59:00 (EST-5)
Location: AVON
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in LIVINGSTON, NEW YORK
From 28-JUL-10 19:00:00 to 28-JUL-10 19:00:00 (EST-5)
Location: LIVONIA
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported wires down.

Thunderstorm Wind in LIVINGSTON, NEW YORK
From 28-JUL-10 19:00:00 to 28-JUL-10 19:00:00 (EST-5)
Location: HEMLOCK
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in JEFFERSON, NEW YORK
From 28-JUL-10 19:25:00 to 28-JUL-10 19:25:00 (EST-5)
Location: CARTHAGE
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in JEFFERSON, NEW YORK
From 28-JUL-10 16:59:00 to 28-JUL-10 16:59:00 (EST-5)
Location: BROWNVILLE
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in LEWIS, NEW YORK
From 28-JUL-10 17:29:00 to 28-JUL-10 17:29:00 (EST-5)
Location: NATURAL BRIDGE
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported wires down.

Thunderstorm Wind in JEFFERSON, NEW YORK
From 28-JUL-10 17:30:00 to 28-JUL-10 17:30:00 (EST-5)
Location: GREAT BEND
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Employee

A NWS employee reported downed trees on Route 3.

Thunderstorm Wind in ERIE, NEW YORK
From 28-JUL-10 17:30:00 to 28-JUL-10 17:30:00 (EST-5)
Location: SANDY BEACH
Magnitude: 59.00 MG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm Wind in JEFFERSON, NEW YORK
From 28-JUL-10 17:35:00 to 28-JUL-10 17:35:00 (EST-5)
Location: RUTLAND CENTER
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Employee

A NWS Employee reported trees down on Route 3.

Thunderstorm Wind in NIAGARA, NEW YORK
From 28-JUL-10 17:35:00 to 28-JUL-10 17:35:00 (EST-5)
Location: NORTH TONAWANDA
Magnitude: 54.00 MG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement