All seasons · Eastern and Central Pacific
1999 Pacific hurricane season
The 1999 Pacific season has 14 storms in the best-track record; 9 reached tropical-storm strength and 6 became hurricanes, 2 of them major. Its accumulated cyclone energy of 91.9 is the 35th-lowest of the 77 seasons in the eastern and central Pacific record since 1949. Dora was the strongest, peaking at 140 mph as a Category 4 hurricane. One of its storms has a landfall record, in Baja California Sur. The first record is dated June 18, the last October 11.
Storm by storm
Formation peaked in July and August, with 5 storms each. Dora both lasted longest, 17.8 days as a tropical or subtropical system, and contributed the most energy, 47% of the season's ACE. Greg reached Baja California Sur as a tropical storm on September 7.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Adrian | Jun 18–22 | 100 mph | Category 2 | 973 mb | – |
| Beatriz | Jul 9–17 | 120 mph | Category 3 | 955 mb | – |
| Pacific Storm 3 of 1999 | Jul 14–15 | 35 mph | Depression | – | – |
| Pacific Storm 4 of 1999 | Jul 23–25 | 35 mph | Depression | – | – |
| Calvin | Jul 25–27 | 40 mph | Tropical storm | 1005 mb | – |
| Pacific Storm 6 of 1999 | Jul 26–28 | 35 mph | Depression | – | – |
| Dora | Aug 6–23 | 140 mph | Category 4 | 943 mb | – |
| Eugene | Aug 6–15 | 110 mph | Category 2 | 964 mb | – |
| Pacific Storm 9 of 1999 | Aug 13–15 | 35 mph | Depression | – | – |
| Fernanda | Aug 17–22 | 65 mph | Tropical storm | 994 mb | – |
| Pacific Storm 11 of 1999 | Aug 23–24 | 35 mph | Depression | – | – |
| Greg | Sep 5–9 | 75 mph | Category 1 | 986 mb | Baja California Sur |
| Hilary | Sep 17–21 | 75 mph | Category 1 | 987 mb | – |
| Irwin | Oct 8–11 | 60 mph | Tropical storm | 996 mb | – |
Against other Pacific seasons
Accumulated cyclone energy of every season; the red bar is 1999.