List of Atlantic hurricane records
Earliest/latest formations for each category

List of Atlantic hurricane records

Section Title: Earliest/latest formations for each category
Table Section Text: None

Earliest and latest forming Atlantic tropical cyclones by Saffir–Simpson classification

Earliest Formation	Latest Formation

Category	Year	Storm	Date Reached	Notes	Year	Storm	Date Reached	Notes

Tropical storm	1938	Unnamed	January 3	2005–06	Tropical Storm Zeta	December 30

Category 1	1938	Unnamed	January 4	1954–55	Hurricane Alice	December 30

Category 2	1908	Unnamed	March 7	2016	Hurricane Otto	November 24

Category 3	1966	Hurricane Alma	June 8	2016	Hurricane Otto	November 24

Category 4	2005	Hurricane Dennis	July 8	1999	Hurricane Lenny	November 17

Category 5	2005	Hurricane Emily	July 17	1932	1932 Cuba hurricane	November 5

Sentence(s)

Hurricane Dennis of 2005, the earliest Category 4 was recorded on July 8.

final_sentence: Hurricane Dennis of 2005, the earliest Category 4 was recorded on July 8.