The 2021 Atlantic hurricane season is an ongoing Atlantic hurricane season, which is part of the annual tropical cyclone season in the Northern Hemisphere. It officially began on June 1, 2021, and will end on November 30, 2021. These dates, adopted by convention, historically describe the period in each year when most Atlantic tropical cyclones form. However, tropical cyclogenesis is possible at any time of the year, as demonstrated by the early formation of Subtropical Storm Ana on May 22, making 2021 the seventh consecutive year that a storm formed before the official start of the season.