All seasons · Eastern and Central Pacific
1984 Pacific hurricane season
The 1984 Pacific season has 21 storms in the best-track record; 21 reached tropical-storm strength and 13 became hurricanes, 7 of them major. Its accumulated cyclone energy of 193.3 is the 12th-highest of the 77 seasons in the eastern and central Pacific record since 1949. For hurricanes it is tied for the seventh-busiest season. Douglas was the strongest, peaking at 145 mph as a Category 4 hurricane. Like most Pacific seasons before 1989, it has no landfall records in the file. The first record is dated May 17, the last November 8.
Storm by storm
More storms formed in August than in any other month of 1984: 6 of 21. Boris lasted longest, 20.2 days as a tropical or subtropical system. Norbert contributed the most energy, 21% of the season's ACE.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Alma | May 17–21 | 60 mph | Tropical storm | – | – |
| Boris | May 28 – Jun 18 | 75 mph | Category 1 | – | – |
| Cristina | Jun 17–26 | 105 mph | Category 2 | – | – |
| Douglas | Jun 25 – Jul 6 | 145 mph | Category 4 | – | – |
| Elida | Jun 28 – Jul 8 | 130 mph | Category 4 | – | – |
| Fausto | Jul 3–10 | 110 mph | Category 2 | – | – |
| Genevieve | Jul 7–14 | 115 mph | Category 3 | – | – |
| Hernan | Jul 27 – Aug 1 | 50 mph | Tropical storm | – | – |
| Iselle | Aug 3–12 | 130 mph | Category 4 | – | – |
| Julio | Aug 15–20 | 65 mph | Tropical storm | – | – |
| Keli | Aug 16–22 | 115 mph | Category 3 | – | – |
| Kenna | Aug 16–21 | 60 mph | Tropical storm | – | – |
| Lala | Aug 23 – Sep 2 | 50 mph | Tropical storm | – | – |
| Lowell | Aug 26–30 | 85 mph | Category 1 | – | – |
| Moke | Sep 4–5 | 50 mph | Tropical storm | – | – |
| Marie | Sep 5–11 | 90 mph | Category 1 | – | – |
| Norbert | Sep 14–26 | 130 mph | Category 4 | – | – |
| Odile | Sep 17–22 | 105 mph | Category 2 | – | – |
| Polo | Sep 26 – Oct 3 | 115 mph | Category 3 | – | – |
| Rachel | Oct 7–16 | 65 mph | Tropical storm | – | – |
| Simon | Oct 31 – Nov 8 | 65 mph | Tropical storm | – | – |
Against other Pacific seasons
Accumulated cyclone energy of every season; the red bar is 1984.