All seasons · Eastern and Central Pacific
1989 Pacific hurricane season
The 1989 Pacific season has 24 storms in the best-track record; 17 reached tropical-storm strength and 9 became hurricanes, 4 of them major. Its accumulated cyclone energy of 110.8 is the 34th-highest of the 77 seasons in the eastern and central Pacific record since 1949. Raymond was the strongest, peaking at 145 mph as a Category 4 hurricane. Landfall records exist for 3 of its storms, in Baja California Sur, Guerrero and Sonora. The first record is dated May 31, the last October 19.
Storm by storm
More storms formed in July than in any other month of 1989: 7 of 24. Ismael lasted longest, 11.0 days as a tropical or subtropical system. Raymond contributed the most energy, 22% of the season's ACE. Strongest landfall of each storm: Cosme reached Guerrero as a Category 1 hurricane on June 22; Kiko reached Baja California Sur as a Category 3 hurricane on August 27; Raymond reached Baja California Sur as a tropical storm on October 4.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Adolph | May 31 – Jun 5 | 65 mph | Tropical storm | 994 mb | – |
| Barbara | Jun 15–21 | 80 mph | Category 1 | 984 mb | – |
| Cosme | Jun 18–23 | 85 mph | Category 1 | 979 mb | Guerrero |
| Pacific Storm 4 of 1989 | Jul 9–10 | 35 mph | Depression | – | – |
| Pacific Storm 5 of 1989 | Jul 9–13 | 35 mph | Depression | – | – |
| Dalilia | Jul 11–21 | 90 mph | Category 1 | 977 mb | – |
| Pacific Storm 7 of 1989 | Jul 15–18 | 35 mph | Depression | – | – |
| Erick | Jul 19–21 | 40 mph | Tropical storm | 1005 mb | – |
| Flossie | Jul 23–28 | 40 mph | Tropical storm | 1004 mb | – |
| Gil | Jul 30 – Aug 5 | 85 mph | Category 1 | 979 mb | – |
| Ismael | Aug 14–25 | 120 mph | Category 3 | 955 mb | – |
| Henriette | Aug 15–18 | 50 mph | Tropical storm | 1000 mb | – |
| Juliette | Aug 21–25 | 65 mph | Tropical storm | 992 mb | – |
| Kiko | Aug 25–29 | 120 mph | Category 3 | 955 mb | Baja California Sur |
| Lorena | Aug 27 – Sep 6 | 75 mph | Category 1 | 989 mb | – |
| Manuel | Aug 28–31 | 45 mph | Tropical storm | 1002 mb | – |
| Narda | Sep 3–8 | 50 mph | Tropical storm | 1000 mb | – |
| Octave | Sep 8–16 | 130 mph | Category 4 | 948 mb | – |
| Priscilla | Sep 21–25 | 65 mph | Tropical storm | 993 mb | – |
| Raymond | Sep 25 – Oct 5 | 145 mph | Category 4 | 935 mb | Baja California Sur, Sonora |
| Pacific Storm 20 of 1989 | Sep 25–27 | 35 mph | Depression | – | – |
| Pacific Storm 22 of 1989 | Oct 3–8 | 35 mph | Depression | – | – |
| Pacific Storm 23 of 1989 | Oct 14–14 | 25 mph | Depression | – | – |
| Pacific Storm 24 of 1989 | Oct 16–19 | 35 mph | Depression | – | – |
Against other Pacific seasons
Accumulated cyclone energy of every season; the red bar is 1989.