Strongest hurricane seasons in the Atlantic 2021

The 2020 Atlantic hurricane season ranked amongst the top six most powerful seasons in the satellite era, based on Accumulated Cyclone Energy (ACE). That year, the 30 named storms (including 14 hurricanes, of which seven major hurricanes) in the basin registered an ACE of 180. All of the top ten most extreme Atlantic hurricane seasons recorded in the satellite era happened since 1990, with 2005 leading the ranking with an ACE of 250.

Strongest hurricane seasons in the Atlantic basin from 1966 to 2021, based on Accumulated Cyclone Energy

Characteristic	ACE index
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Release date

April 2022

More information

Region

Worldwide

Survey time period

1966 to 2021

Supplementary notes

According to NOAA, the Accumulated Cyclone Energy (ACE) is an index that reflects the number of named storms, how long they existed, and how intense they became.
This statistic only considers data since 1966, when daily satellite imagery became available at the source, allowing more complete statistical data.

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