All seasons · Eastern and Central Pacific
2011 Pacific hurricane season
The 2011 Pacific season has 13 storms in the best-track record; 11 reached tropical-storm strength and 10 became hurricanes, 6 of them major. Its accumulated cyclone energy of 120.9 is the 28th-highest of the 77 seasons in the eastern and central Pacific record since 1949. Dora was the strongest, peaking at 155 mph as a Category 4 hurricane. Landfall records exist for 3 of its storms, in Jalisco, Michoacán and Oaxaca. The first record is dated June 7, the last November 25.
Storm by storm
Formation peaked in July, August and October, with 3 storms each. Irwin lasted longest, 10.2 days as a tropical or subtropical system. Hilary contributed the most energy, 26% of the season's ACE. Strongest landfall of each storm: Eight reached Michoacán as a depression on August 31; Jova reached Jalisco as a Category 2 hurricane on October 12; Twelve reached Oaxaca as a depression on October 12.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Adrian | Jun 7–12 | 140 mph | Category 4 | 944 mb | – |
| Beatriz | Jun 19–22 | 90 mph | Category 1 | 977 mb | – |
| Calvin | Jul 7–10 | 80 mph | Category 1 | 984 mb | – |
| Dora | Jul 18–24 | 155 mph | Category 4 | 929 mb | – |
| Eugene | Jul 31 – Aug 6 | 140 mph | Category 4 | 942 mb | – |
| Fernanda | Aug 15–19 | 70 mph | Tropical storm | 992 mb | – |
| Greg | Aug 16–21 | 85 mph | Category 1 | 979 mb | – |
| Eight | Aug 31–31 | 35 mph | Depression | 1002 mb | Michoacán |
| Hilary | Sep 21–30 | 145 mph | Category 4 | 942 mb | – |
| Jova | Oct 6–12 | 125 mph | Category 3 | 955 mb | Jalisco |
| Irwin | Oct 6–16 | 100 mph | Category 2 | 976 mb | – |
| Twelve | Oct 12–12 | 35 mph | Depression | 1004 mb | Oaxaca |
| Kenneth | Nov 19–25 | 145 mph | Category 4 | 940 mb | – |
Against other Pacific seasons
Accumulated cyclone energy of every season; the red bar is 2011.