A strong cold front crossed the region bringing an end to oppressive heat and humidity. The front however was accompanied by severe thunderstorms which produced hail up to one-and-three-quarter  inches in diameter and damaging winds that downed trees and power lines. Utilities reported tens of thousands without power scattered throughout the region. Only minor structural damage was reported���mainly broken windows and ripped off shingles. There were several automobiles that were damaged by falling trees and limbs.

Hail in CATTARAUGUS, NEW YORK
From 29-MAY-12 11:20:00 to 29-MAY-12 11:20:00 (EST-5)
Location: GREAT VLY
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in WYOMING, NEW YORK
From 29-MAY-12 11:24:00 to 29-MAY-12 11:24:00 (EST-5)
Location: WARSAW
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 5.00K
Reported by: Amateur Radio

Hail in OSWEGO, NEW YORK
From 29-MAY-12 11:20:00 to 29-MAY-12 11:20:00 (EST-5)
Location: PALERMO
Magnitude: 1.50 
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Trained Spotter

Hail in OSWEGO, NEW YORK
From 29-MAY-12 11:30:00 to 29-MAY-12 11:30:00 (EST-5)
Location: SUTTONS CORNERS
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 10.00K
Reported by: COOP Observer

Hail in ONTARIO, NEW YORK
From 29-MAY-12 11:31:00 to 29-MAY-12 11:31:00 (EST-5)
Location: SOUTH BRISTOL
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 5.00K
Reported by: Law Enforcement

Hail in OSWEGO, NEW YORK
From 29-MAY-12 11:31:00 to 29-MAY-12 11:31:00 (EST-5)
Location: PARISH
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 5.00K
Reported by: Trained Spotter

Hail in ONTARIO, NEW YORK
From 29-MAY-12 11:45:00 to 29-MAY-12 11:45:00 (EST-5)
Location: PHELPS
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in ONTARIO, NEW YORK
From 29-MAY-12 11:40:00 to 29-MAY-12 11:40:00 (EST-5)
Location: ACADEMY
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 5.00K
Reported by: Public

Hail in MONROE, NEW YORK
From 29-MAY-12 11:50:00 to 29-MAY-12 11:50:00 (EST-5)
Location: HONEOYE FALLS ARPT
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in OSWEGO, NEW YORK
From 29-MAY-12 11:50:00 to 29-MAY-12 11:50:00 (EST-5)
Location: HASTINGS
Magnitude: 1.75 
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Broadcast Media

Hail in OSWEGO, NEW YORK
From 29-MAY-12 12:35:00 to 29-MAY-12 12:35:00 (EST-5)
Location: CAUGHDENOY
Magnitude: 1.00 
Property damage: 5.00K
Crop damage: 5.00K
Reported by: Trained Spotter

Thunderstorm Wind in ONTARIO, NEW YORK
From 29-MAY-12 12:10:00 to 29-MAY-12 12:10:00 (EST-5)
Location: VICTOR
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WYOMING, NEW YORK
From 29-MAY-12 11:00:00 to 29-MAY-12 11:00:00 (EST-5)
Location: STRYKERSVILLE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported wires down.

Thunderstorm Wind in ONTARIO, NEW YORK
From 29-MAY-12 12:15:00 to 29-MAY-12 12:15:00 (EST-5)
Location: FARMINGTON
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Public

The public reported trees and wires down.

Thunderstorm Wind in OSWEGO, NEW YORK
From 29-MAY-12 11:20:00 to 29-MAY-12 11:20:00 (EST-5)
Location: HASTINGS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in LIVINGSTON, NEW YORK
From 29-MAY-12 11:45:00 to 29-MAY-12 11:45:00 (EST-5)
Location: SPRINGWATER
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 15.00K
Reported by: Law Enforcement

Law enforcement reported power poles and wires down.

Thunderstorm Wind in CHAUTAUQUA, NEW YORK
From 29-MAY-12 11:24:00 to 29-MAY-12 11:24:00 (EST-5)
Location: FALCONER
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 20.00K
Reported by: Law Enforcement

Law enforcement reported a treed down on a house.

Thunderstorm Wind in CAYUGA, NEW YORK
From 29-MAY-12 11:49:00 to 29-MAY-12 11:49:00 (EST-5)
Location: VICTORY
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in CAYUGA, NEW YORK
From 29-MAY-12 11:54:00 to 29-MAY-12 11:54:00 (EST-5)
Location: IRA
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:22:00 to 29-MAY-12 12:22:00 (EST-5)
Location: WALWORTH
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:27:00 to 29-MAY-12 12:27:00 (EST-5)
Location: MARION
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:47:00 to 29-MAY-12 12:47:00 (EST-5)
Location: SAVANNAH
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:47:00 to 29-MAY-12 12:47:00 (EST-5)
Location: CLYDE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:47:00 to 29-MAY-12 12:47:00 (EST-5)
Location: NORTH ROSE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:50:00 to 29-MAY-12 12:50:00 (EST-5)
Location: WOLCOTT
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in WAYNE, NEW YORK
From 29-MAY-12 12:17:00 to 29-MAY-12 12:17:00 (EST-5)
Location: MACEDON CENTER
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 8.00K
Reported by: Trained Spotter

A trained spotter reported trees and wires down.

Thunderstorm Wind in ONTARIO, NEW YORK
From 29-MAY-12 11:31:00 to 29-MAY-12 11:31:00 (EST-5)
Location: SOUTH BRISTOL
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in ONTARIO, NEW YORK
From 29-MAY-12 11:50:00 to 29-MAY-12 11:50:00 (EST-5)
Location: PHELPS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 10.00K
Reported by: Law Enforcement

Law enforcement reported trees and wires down.

Thunderstorm Wind in ONTARIO, NEW YORK
From 29-MAY-12 11:59:00 to 29-MAY-12 11:59:00 (EST-5)
Location: GORHAM
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 8.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in LEWIS, NEW YORK
From 29-MAY-12 14:00:00 to 29-MAY-12 14:00:00 (EST-5)
Location: CROGHAN
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 8.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in OSWEGO, NEW YORK
From 29-MAY-12 13:12:00 to 29-MAY-12 13:12:00 (EST-5)
Location: CONSTANTIA
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 8.00K
Reported by: Law Enforcement

Law enforcement reported trees down blocking roads.

Thunderstorm Wind in OSWEGO, NEW YORK
From 29-MAY-12 13:32:00 to 29-MAY-12 13:32:00 (EST-5)
Location: HASTINGS
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 8.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Thunderstorm Wind in OSWEGO, NEW YORK
From 29-MAY-12 13:22:00 to 29-MAY-12 13:22:00 (EST-5)
Location: HINMANSVILLE
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 8.00K
Reported by: Law Enforcement

Law enforcement reported trees down.

Hail in ERIE, NEW YORK
From 29-MAY-12 10:40:00 to 29-MAY-12 10:40:00 (EST-5)
Location: GLENWOOD
Magnitude: 0.88 
Reported by: Public

Hail in CHAUTAUQUA, NEW YORK
From 29-MAY-12 11:15:00 to 29-MAY-12 11:15:00 (EST-5)
Location: LAKEWOOD
Magnitude: 0.88 
Reported by: Public

Hail in OSWEGO, NEW YORK
From 29-MAY-12 11:37:00 to 29-MAY-12 11:37:00 (EST-5)
Location: PARISH
Magnitude: 0.88 
Reported by: Amateur Radio