Category 5 major hurricane (SSHWS/NWS) | |
Hurricane Ivan, shortly after achieving peak intensity
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Formed | September 2, 2004 |
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Dissipated | September 24, 2004 |
Highest winds |
1-minute sustained: 165 mph (270 km/h) |
Lowest pressure | 910 mbar (hPa); 26.87 inHg |
Fatalities | 92 direct, 32 indirect |
Damage | $23.3 billion (2004 USD) |
Areas affected | Windward Islands (especially Grenada), Venezuela, Jamaica, Grand Cayman, Cuba, Yucatan Peninsula, Alabama, Florida, Louisiana, Texas and most of the United States Gulf Coast |
Part of the 2004 Atlantic hurricane season | |
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Hurricane Ivan was a large, long-lived, Cape Verde-type hurricane that caused widespread damage in the Caribbean and United States. The cyclone was the ninth named storm, the sixth hurricane and the fourth major hurricane of the active 2004 Atlantic hurricane season. Ivan formed in early September, reached Category 5 strength on the Saffir-Simpson Hurricane Scale, and became the 10th most intense Atlantic hurricane ever recorded.
Ivan caused catastrophic damage to Grenada as a strong Category 3 storm, heavy damage to Jamaica as a strong Category 4 storm and then Grand Cayman, Cayman Islands and the western tip of Cuba as a Category 5 storm. After peaking in strength, the hurricane moved north-northwest across the Gulf of Mexico to strike Florida and Alabama as a strong Category 3 storm, causing significant damage. Ivan dropped heavy rains on the Southeastern United States as it progressed northeast and east through the eastern United States, becoming an extratropical cyclone. The remnant low from the storm moved into the western subtropical Atlantic and regenerated into a tropical cyclone, which then moved across Florida and the Gulf of Mexico into Louisiana and Texas, causing minimal damage. Ivan caused an estimated US$18 billion (2004 USD, $22.8 billion 2017 USD) in damages to the United States, making it the fifth costliest hurricane ever to strike the country.