A cold front swept across the region triggering strong, damaging thunderstorms. The thunderstorms produced large hail in some locations and strong winds downed trees and power lines throughout the region. Damage was reported in Randolph, Napoli, East Aurora, Yorkshire, Gainesville, Byron, Almond, Retsof, Rochester, Sinclairville, Macedon, Cato, Pulaski, Sandy Creek, Brockport, Evans Mills, Turin, Orchard Park, Niagara Falls, Arcade, Westfield, Amherst, Medina, Oakfield, Avon, Walworth, Hannibal, and Watertown. Fallen trees damaged homes and automobiles in Lockport, Brighton, and Rochester. Power utilities reported upwards of 20,000 custormers without power. Lightning ignited a house fire in Orchard Park with damage estimated near $20,000. In the Town of Aurora, a barn filled with hay burned to the ground after being struck by lightning. In Brighton, a motorist was injured when a tree fell on her car near Ellison Park. In Rochester, a man was killed while riding an ATV through a wooded area behind a cemetery when strong winds brought down a tree on top of him.

Hail in CHAUTAUQUA, NEW YORK
From 19-JUN-07 14:30:00 to 19-JUN-07 14:30:00 (EST-5)
Location: CHERRY CREEK
Magnitude: 0.75 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 19-JUN-07 10:08:00 to 19-JUN-07 10:08:00 (EST-5)
Location: RANDOLPH
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in NIAGARA, NEW YORK
From 19-JUN-07 15:36:00 to 19-JUN-07 15:36:00 (EST-5)
Location: (IAG)NIAGARA FALLS A
Magnitude: 54.00 MG
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in MONROE, NEW YORK
From 19-JUN-07 14:45:00 to 19-JUN-07 14:45:00 (EST-5)
Location: BROCKPORT
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in LIVINGSTON, NEW YORK
From 19-JUN-07 12:00:00 to 19-JUN-07 12:00:00 (EST-5)
Location: RETSOF
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ORLEANS, NEW YORK
From 19-JUN-07 16:00:00 to 19-JUN-07 16:00:00 (EST-5)
Location: MEDINA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in GENESEE, NEW YORK
From 19-JUN-07 16:24:00 to 19-JUN-07 16:24:00 (EST-5)
Location: OAKFIELD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in LIVINGSTON, NEW YORK
From 19-JUN-07 16:30:00 to 19-JUN-07 16:30:00 (EST-5)
Location: AVON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm Wind in WYOMING, NEW YORK
From 19-JUN-07 15:45:00 to 19-JUN-07 15:45:00 (EST-5)
Location: ARCADE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 19-JUN-07 15:55:00 to 19-JUN-07 15:55:00 (EST-5)
Location: WESTFIELD
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in ERIE, NEW YORK
From 19-JUN-07 15:55:00 to 19-JUN-07 15:55:00 (EST-5)
Location: AMHERST
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in WAYNE, NEW YORK
From 19-JUN-07 17:30:00 to 19-JUN-07 17:30:00 (EST-5)
Location: WALWORTH
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in OSWEGO, NEW YORK
From 19-JUN-07 18:26:00 to 19-JUN-07 18:26:00 (EST-5)
Location: HANNIBAL
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm Wind in JEFFERSON, NEW YORK
From 19-JUN-07 18:30:00 to 19-JUN-07 18:30:00 (EST-5)
Location: WATERTOWN
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 19-JUN-07 14:45:00 to 19-JUN-07 14:45:00 (EST-5)
Location: SINCLAIRVILLE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Post Office

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 19-JUN-07 10:28:00 to 19-JUN-07 10:28:00 (EST-5)
Location: NAPOLI
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ERIE, NEW YORK
From 19-JUN-07 11:05:00 to 19-JUN-07 11:05:00 (EST-5)
Location: EAST AURORA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in MONROE, NEW YORK
From 19-JUN-07 12:00:00 to 19-JUN-07 12:00:00 (EST-5)
Location: ROCHESTER
Magnitude: 55.00 EG
Property damage: 55.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm Wind in CATTARAUGUS, NEW YORK
From 19-JUN-07 11:24:00 to 19-JUN-07 11:24:00 (EST-5)
Location: YORKSHIRE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in MONROE, NEW YORK
From 19-JUN-07 12:20:00 to 19-JUN-07 12:20:00 (EST-5)
Location: ROCHESTER
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WAYNE, NEW YORK
From 19-JUN-07 12:52:00 to 19-JUN-07 12:52:00 (EST-5)
Location: MACEDON
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in WYOMING, NEW YORK
From 19-JUN-07 11:25:00 to 19-JUN-07 11:25:00 (EST-5)
Location: GAINESVILLE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in GENESEE, NEW YORK
From 19-JUN-07 11:42:00 to 19-JUN-07 11:42:00 (EST-5)
Location: BYRON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in JEFFERSON, NEW YORK
From 19-JUN-07 14:55:00 to 19-JUN-07 14:55:00 (EST-5)
Location: EVANS MILLS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in LEWIS, NEW YORK
From 19-JUN-07 15:00:00 to 19-JUN-07 15:00:00 (EST-5)
Location: TURIN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ALLEGANY, NEW YORK
From 19-JUN-07 11:56:00 to 19-JUN-07 11:56:00 (EST-5)
Location: ALMOND
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ERIE, NEW YORK
From 19-JUN-07 15:15:00 to 19-JUN-07 15:15:00 (EST-5)
Location: ORCHARD PARK
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in OSWEGO, NEW YORK
From 19-JUN-07 14:00:00 to 19-JUN-07 14:00:00 (EST-5)
Location: PULASKI
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OSWEGO, NEW YORK
From 19-JUN-07 14:35:00 to 19-JUN-07 14:35:00 (EST-5)
Location: SANDY CREEK
Magnitude: 50.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in CAYUGA, NEW YORK
From 19-JUN-07 13:45:00 to 19-JUN-07 13:45:00 (EST-5)
Location: CATO
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager