[1] During the season, 14 tropical cyclones in the Atlantic Ocean became named storms.

[2] These dates, adopted by the convention, historically delimit the period each year when most Atlantic tropical systems form.

However, storm formation is possible at any time of the year, as was the case this season, when Tropical Depression One formed on May 24; Hurricane Nana, the season's final storm, dissipated on October 21.

[3] This timeline includes information that was not operationally released, meaning that data from post-storm reviews by the National Hurricane Center, such as a storm that was not operationally warned upon, has been included.

This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season.