All seasons · Atlantic
2010 Atlantic hurricane season
The 2010 Atlantic season has 21 storms in the best-track record; 19 reached tropical-storm strength and 12 became hurricanes, 5 of them major. Its accumulated cyclone energy of 164.5 is the 19th-highest of the 175 seasons in the Atlantic record since 1851. For hurricanes it is tied for the third-busiest season. Igor was the strongest, peaking at 155 mph as a Category 4 hurricane. Landfall records exist for 11 of its storms, in Barbados, Belize, Cuba, Florida, Honduras, Newfoundland and Labrador, Nicaragua, Nova Scotia, Prince Edward Island, Quintana Roo, Saint Vincent and the Grenadines, Tamaulipas, Texas, the Bahamas, the Turks and Caicos Islands and Veracruz. The first record is dated June 25, the last November 7.
Storm by storm
More storms formed in September than in any other month of 2010: 8 of 21. Igor both lasted longest, 13.4 days as a tropical or subtropical system, and contributed the most energy, 26% of the season's ACE. Strongest landfall of each storm: Alex reached Tamaulipas as a Category 2 hurricane on July 1; Two reached Texas as a depression on July 8; Bonnie reached the Bahamas as a tropical storm on July 23; Earl reached Nova Scotia as a Category 1 hurricane on September 4; Hermine reached Tamaulipas as a tropical storm on September 7; Igor reached Newfoundland and Labrador as a Category 1 hurricane on September 21; Karl reached Veracruz as a Category 3 hurricane on September 17; Matthew reached Nicaragua as a tropical storm on September 24; and others in the table below.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Alex | Jun 25 – Jul 2 | 110 mph | Category 2 | 946 mb | Belize, Tamaulipas |
| Two | Jul 8–9 | 35 mph | Depression | 1005 mb | Texas |
| Bonnie | Jul 22–24 | 45 mph | Tropical storm | 1005 mb | Bahamas, Florida |
| Colin | Aug 2–8 | 60 mph | Tropical storm | 1005 mb | – |
| Five | Aug 10–11 | 35 mph | Depression | 1008 mb | – |
| Danielle | Aug 21–30 | 130 mph | Category 4 | 942 mb | – |
| Earl | Aug 25 – Sep 4 | 145 mph | Category 4 | 927 mb | Nova Scotia, Prince Edward Island |
| Fiona | Aug 30 – Sep 3 | 65 mph | Tropical storm | 998 mb | – |
| Gaston | Sep 1–2 | 40 mph | Tropical storm | 1005 mb | – |
| Hermine | Sep 5–9 | 70 mph | Tropical storm | 989 mb | Tamaulipas |
| Igor | Sep 8–21 | 155 mph | Category 4 | 924 mb | Newfoundland and Labrador |
| Julia | Sep 12–20 | 140 mph | Category 4 | 948 mb | – |
| Karl | Sep 14–18 | 125 mph | Category 3 | 956 mb | Quintana Roo, Veracruz |
| Lisa | Sep 20–26 | 85 mph | Category 1 | 982 mb | – |
| Matthew | Sep 23–26 | 60 mph | Tropical storm | 998 mb | Nicaragua, Belize |
| Nicole | Sep 28–29 | 45 mph | Tropical storm | 995 mb | – |
| Otto | Oct 6–10 | 85 mph | Category 1 | 976 mb | – |
| Paula | Oct 11–15 | 105 mph | Category 2 | 981 mb | Honduras, Cuba |
| Richard | Oct 20–25 | 100 mph | Category 2 | 977 mb | Belize |
| Shary | Oct 28–30 | 75 mph | Category 1 | 989 mb | – |
| Tomas | Oct 29 – Nov 7 | 100 mph | Category 2 | 982 mb | Barbados, Saint Vincent and the Grenadines, Turks and Caicos Islands |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 2010.