| Timeline of the 2004 Atlantic hurricane season | |||||
|---|---|---|---|---|---|
 Season summary map | |||||
| Season boundaries | |||||
| First system formed | July 31, 2004 | ||||
| Last system dissipated | December 3, 2004 | ||||
| Strongest system | |||||
| Name | Ivan | ||||
| Maximum winds | 165 mph (270 km/h) (1-minute sustained) | ||||
| Lowest pressure | 910 mbar (hPa; 26.87 inHg) | ||||
| Longest lasting system | |||||
| Name | Ivan | ||||
| Duration | 17.5 days | ||||
| |||||
The 2004 Atlantic hurricane season was notable as one of the deadliest and most costly Atlantic hurricane seasons on record. It officially began on June 1, 2004 and ended on November 30, although storm activity continued into December. This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipations. The timeline includes information which was not operationally released, meaning that information from post-storm reviews by the National Hurricane Center, such as information on a storm that was not operationally warned upon, has been included.
This season had 16 tropical depressions, of which, 15 became named storms. Of these, 9 strengthened into hurricanes with 6 intensifying into major hurricanes.[nb 1] The most noteworthy storms for the season were the five named storms that made landfall in the U.S. states of Florida and Alabama, three of them with at least 115 mph (185 km/h) sustained winds (major hurricane strength): Tropical Storm Bonnie, Charley, Frances, Ivan, and Jeanne. This is the only time in recorded history that four hurricanes affected the U.S. State of Florida although one of the four, Ivan, brought hurricane-force winds to the state without making a landfall there.[2]
- ^ "Saffir-Simpson Hurricane Wind Scale". Miami, Florida: National Hurricane Center. Retrieved June 29, 2020.
- ^ National Climatic Data Center (2004). "Climate of 2004 Atlantic Hurricane Season". Retrieved 2008-08-04.
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