Case study: 4 May 2018 Southern Ontario Windstorm

A historic, damaging windstorm occurred in southern Ontario on 4 May 2018. The event was notable for its impacts, including downed trees and power lines, and three fatalities. In some locations, these winds were the strongest ever recorded in the month of May. The damage from this event totalled over $380 million in Ontario, making it the costliest event since the 2013 Toronto floods, according to Catastrophic Indices and Quantification Inc.

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