All seasons · Atlantic
2001 Atlantic hurricane season
The 2001 Atlantic season has 17 storms in the best-track record; 15 reached tropical-storm strength and 9 became hurricanes, 4 of them major. Its accumulated cyclone energy of 105.6 is the 56th-highest of the 175 seasons in the Atlantic record since 1851. Iris was the strongest, peaking at 145 mph as a Category 4 hurricane. Landfall records exist for 8 of its storms, in Belize, Cuba, Florida, Louisiana, Nicaragua, Nova Scotia, Texas and the Bahamas. The first record is dated June 5, the last December 4.
Storm by storm
Formation peaked in September and October, with 5 storms each. Erin both lasted longest, 13.2 days as a tropical or subtropical system, and contributed the most energy, 19% of the season's ACE. Strongest landfall of each storm: Allison reached Texas as a tropical storm on June 5; Barry reached Florida as a tropical storm on August 6; Chantal reached Belize as a tropical storm on August 21; Gabrielle reached Florida as a tropical storm on September 14; Storm 9 of 2001 reached Nicaragua as a depression on September 20; Iris reached Belize as a Category 4 hurricane on October 9; Karen reached Nova Scotia as a tropical storm on October 15; Michelle reached Cuba as a Category 4 hurricane on November 4.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Allison | Jun 5–17 | 60 mph | Tropical storm | 1000 mb | Texas, Louisiana |
| Storm 2 of 2001 | Jul 11–12 | 30 mph | Depression | 1010 mb | – |
| Barry | Aug 2–7 | 70 mph | Tropical storm | 990 mb | Florida |
| Chantal | Aug 14–22 | 70 mph | Tropical storm | 997 mb | Belize |
| Dean | Aug 22–28 | 70 mph | Tropical storm | 994 mb | – |
| Erin | Sep 1–15 | 120 mph | Category 3 | 968 mb | – |
| Felix | Sep 7–19 | 115 mph | Category 3 | 962 mb | – |
| Gabrielle | Sep 11–19 | 80 mph | Category 1 | 975 mb | Florida |
| Storm 9 of 2001 | Sep 19–20 | 35 mph | Depression | 1005 mb | Nicaragua |
| Humberto | Sep 21–27 | 105 mph | Category 2 | 970 mb | – |
| Iris | Oct 4–9 | 145 mph | Category 4 | 948 mb | Belize |
| Jerry | Oct 6–8 | 50 mph | Tropical storm | 1004 mb | – |
| Karen | Oct 12–15 | 80 mph | Category 1 | 982 mb | Nova Scotia |
| Lorenzo | Oct 27–31 | 40 mph | Tropical storm | 1007 mb | – |
| Michelle | Oct 29 – Nov 5 | 140 mph | Category 4 | 933 mb | Cuba, Bahamas |
| Noel | Nov 4–6 | 75 mph | Category 1 | 986 mb | – |
| Olga | Nov 24 – Dec 4 | 90 mph | Category 1 | 973 mb | – |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 2001.