All seasons · Atlantic
2017 Atlantic hurricane season
The 2017 Atlantic season has 18 storms in the best-track record; 17 reached tropical-storm strength and 10 became hurricanes, 6 of them major. Its accumulated cyclone energy of 224.9 is the sixth-highest of the 175 seasons in the Atlantic record since 1851. For major hurricanes it is tied for the third-busiest season. Irma was the strongest, peaking at 180 mph as a Category 5 hurricane. Landfall records exist for 11 of its storms, in Antigua and Barbuda, Barbados, the British Virgin Islands, Cuba, Dominica, Florida, Ireland, Louisiana, Mississippi, Nicaragua, Puerto Rico, Quintana Roo, Saint Martin, Saint Vincent and the Grenadines, Texas, the Bahamas, Trinidad and Tobago, Venezuela and Veracruz. The first record is dated April 19, the last November 9.
Storm by storm
Formation peaked in August and September, with 4 storms each. Jose lasted longest, 17.2 days as a tropical or subtropical system. Irma contributed the most energy, 29% of the season's ACE. Strongest landfall of each storm: Bret reached Venezuela as a tropical storm on June 20; Cindy reached Louisiana as a tropical storm on June 22; Emily reached Florida as a tropical storm on July 31; Franklin reached Veracruz as a Category 1 hurricane on August 10; Harvey reached Texas as a Category 4 hurricane on August 26; Irma reached the British Virgin Islands as a Category 5 hurricane on September 6; Katia reached Veracruz as a Category 1 hurricane on September 9; Maria reached Dominica as a Category 5 hurricane on September 19; and others in the table below.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Arlene | Apr 19–21 | 50 mph | Tropical storm | 990 mb | – |
| Bret | Jun 19–20 | 50 mph | Tropical storm | 1007 mb | Trinidad and Tobago, Venezuela |
| Cindy | Jun 20–23 | 60 mph | Tropical storm | 991 mb | Louisiana |
| Four | Jul 5–7 | 30 mph | Depression | 1009 mb | – |
| Don | Jul 17–18 | 50 mph | Tropical storm | 1005 mb | – |
| Emily | Jul 30 – Aug 1 | 60 mph | Tropical storm | 1001 mb | Florida |
| Franklin | Aug 7–10 | 85 mph | Category 1 | 981 mb | Quintana Roo, Veracruz |
| Gert | Aug 12–17 | 110 mph | Category 2 | 962 mb | – |
| Harvey | Aug 17 – Sep 1 | 130 mph | Category 4 | 937 mb | Barbados, Saint Vincent and the Grenadines, Texas, Louisiana |
| Irma | Aug 30 – Sep 12 | 180 mph | Category 5 | 914 mb | Antigua and Barbuda, Saint Martin, British Virgin Islands, Bahamas, Cuba, Florida |
| Jose | Sep 5–22 | 155 mph | Category 4 | 938 mb | – |
| Katia | Sep 5–9 | 105 mph | Category 2 | 972 mb | Veracruz |
| Lee | Sep 14–30 | 115 mph | Category 3 | 962 mb | – |
| Maria | Sep 16–30 | 175 mph | Category 5 | 908 mb | Dominica, Puerto Rico |
| Nate | Oct 4–8 | 90 mph | Category 1 | 981 mb | Nicaragua, Louisiana, Mississippi |
| Ophelia | Oct 9–15 | 115 mph | Category 3 | 959 mb | Ireland |
| Philippe | Oct 28–29 | 40 mph | Tropical storm | 1000 mb | Cuba |
| Rina | Nov 5–9 | 60 mph | Tropical storm | 991 mb | – |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 2017.