Hurricane Igor
| Category 4 major hurricane (SSHWS/NWS) | |
Hurricane Igor as a strong Category 4 hurricane on September 13
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| Formed | September 8, 2010 |
|---|---|
| Dissipated | September 23, 2010 |
| (Extratropical after September 21) | |
| Highest winds |
1-minute sustained: 155 mph (250 km/h) |
| Lowest pressure | 924 mbar (hPa); 27.29 inHg |
| Fatalities | 4 direct |
| Damage | $200 million (2010 USD) |
| Areas affected | Cape Verde, Northeastern Caribbean, Eastern United States, Bermuda, Newfoundland, Saint Pierre and Miquelon |
| Part of the 2010 Atlantic hurricane season | |
Hurricane Igor was the most destructive tropical cyclone on record to strike the Canadian island of Newfoundland and the second-largest Atlantic hurricane on record (behind Hurricane Sandy of 2012). Igor originated from a broad area of low pressure that moved off the Cape Verde islands on the west coast of Africa on September 6, 2010. Tracking slowly westward, it developed into a tropical depression on September 8 and strengthened into a tropical storm shortly thereafter. Higher wind shear temporarily halted intensification over the following days. On September 12, explosive intensification took place, and Igor reached Category 4 status on the Saffir–Simpson Hurricane Wind Scale. By this time, Igor had already begun a prolonged turn around the western periphery of the subtropical ridge. Peaking with winds of 155 mph (250 km/h), the cyclone began to enter an area unfavorable for continued strengthening, and Igor gradually weakened before brushing Bermuda as a minimal hurricane on September 20. After turning northeastward, the system began an extratropical transition, which it completed shortly after striking southern Newfoundland. The remnants of Igor were later absorbed by another extratropical cyclone over the Labrador Sea on September 23.
While the hurricane was over the open ocean, it produced large swells that caused the deaths of three people — two in the Caribbean and one in the United States. As it passed west of Bermuda as a minimal hurricane, damage was limited primarily to trees and power lines, with roughly 27,500 residences losing electricity. Total losses in the territory were less than US$500,000. However, in Newfoundland, Igor wrought extreme damage, claimed to be the worst ever seen in some areas. Large stretches of roadways were completely washed out by flooding, including a portion of the Trans-Canada Highway, isolating approximately 150 communities. Throughout the region, one person was killed and damage costs amounted to a record C$200 million. In the storm's wake, military personnel were deployed to assist in recovery efforts and aid distribution.
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