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The 2027 Atlantic hurricane season was a near average season that featured Hurricane Bill, one of the strongest Atlantic hurricanes on record. Other than Bill, 2027 featured typical tropical activity in the Atlantic basin, with 11 named storms, 7 hurricanes, and 3 major hurricanes forming during this season. This was due to a la nina event producing favorable conditions in the Atlantic. The season began unusually late, on August 6, with the formation of Tropical Storm Ana. However, it also ended late, with Hurricane Kate dissipating on December 12. Typically, a season would run from June 1 to November 30, but Kate proved that cyclone formation is possible at any time of year.
There were plenty of notable storms this season. In August, Tropical Storm Ana caused rough weather in Trinidad, Hurricane Bill became one of the strongest hurricanes ever, and devastated the gulf coast, and Hurricane Danny became a Category 1 hurricane in the tropical Atlantic. In September, Hurricane Grace brought large swells to the east coast and Canada, causing some damage. In October, Hurricane Inca caused moderate damage after making landfall in Texas as a Category 2 hurricane, and deadly Hurricane Julian killed almost 100 people across Mexico, Nicaragua, and Honduras. In December, Tropical Storm Kate brought disturbed weather to the Lesser Antilles before moving out to sea and becoming a hurricane.
The season's activity was reflected with a cumulative accumulated cyclone energy (ACE) rating of 103, which is classified as "near normal". ACE is, broadly speaking, a measure of the power of the hurricane multiplied by the length of time it existed, so storms that last a long time, as well as particularly strong hurricanes, have high ACEs.
Lesser Antilles, Puerto Rico, Dominican Republic, Bahamas, Bermuda, United States, Canada
205
13
Henri
September 29 – October 1
Tropical storm
40
1009
Bahamas, United States
3.5
None
Inca
October 9 – October 13
Category 2 hurricane
100
972
Mexico, United States
280.3
6
Julian
October 21 – October 27
Category 4 hurricane
145
940
Jamaica, Honduras, Nicaragua, Mexico
743
83
Twelve
November 4 – November 7
Tropical depression
35
1006
Cuba, United States, Bahamas
80
4
Kate
December 8 – December 12
Category 1 hurricane
75
992
Haiti, Puerto Rico, Lesser Antilles
105
12
Season aggregates
13 systems
August 6 – December 12
180
895
$44.81 Billion
328
Storm Names[]
The following names were used for named storms in the North Atlantic in 2027, and will be re-used in 2033 with the exception of retired names. Names that were not used are marked in gray. This is the same list used in the 2021 season with the exception of Inca, Nathan, Parker, Sven, and Vinny, which replaced Ida, Nicholas, Peter, Sam, and Victor, respectively. The name Inca was used for the first time in the Atlantic Basin.
Ana
Bill
Claudette
Danny
Elsa
Fred
Grace
Henri
Inca
Julian
Kate
Larry (unused)
Mindy (unused)
Nathan (unused)
Odette (unused)
Parker (unused)
Rose (unused)
Sven (unused)
Teresa (unused)
Vinny (unused)
Wanda (unused)
Retirement[]
During the annual WMO Convention in April 2028, the names Bill and Julian were retired, and would not be used for another Atlantic hurricane. The names were replaced with Bryce and Jimothy, respectively, for the 2033 Atlantic hurricane season.
