the atlantic hurricane season starts and ends on june 1 to november 30.
the atlantic hurricane season starts and ends on june 1 to november 30.
when does the atlantic hurricane season start and end?
june 1 to november 30
1921 atlantic hurricane season









































the 1921 atlantic hurricane season featured the most recent major hurricane to strike the tampa bay area in florida. although no "hurricane season" was defined at the time, the present-day delineation of such is june 1 to november 30. the first system, a tropical depression, developed on june 1, while the last, a tropical storm, dissipated on november 25. of note, three of the twelve cyclones co-existed with another tropical cyclone during the season.
1921 atlantic hurricane season
climatologically speaking, approximately 97 percent of tropical cyclones that form in the north atlantic develop between the dates of june 1 and november 30 – dates which delimit the modern-day atlantic hurricane season. though the beginning of the annual hurricane season has historically remained the same, the official end of the hurricane season has shifted from its initial date of october 31. regardless, on average once every few years a tropical cyclone develops outside the limits of the season; as of june 2018 there have been 89 tropical cyclones in the off-season, with the most recent being tropical storm alberto in 2018. the first tropical cyclone of the 1938 atlantic hurricane season, which formed on january 3, became the earliest forming tropical storm and hurricane after reanalysis concluded on the storm in december 2012. hurricane able in 1951 was initially thought to be the earliest forming major hurricane – a tropical cyclone with winds exceeding  – however following post-storm analysis it was determined that able only reached category 1 strength which made hurricane alma of 1966 the new record holder; as it became a major hurricane on june 8. though it developed within the bounds of the atlantic hurricane season, hurricane audrey in 1957 was the earliest developing category 4 hurricane on record after it reached the intensity on june 27. however, reanalysis from 1956 to 1960 by noaa downgraded audrey to a category 3, making hurricane dennis of 2005 the earliest category 4 on record on july 8, 2005. the earliest-forming category 5 hurricane, emily, reached the highest intensity on the saffir–simpson hurricane wind scale on july 17, 2005.
list of atlantic hurricane records