All seasons · Eastern and Central Pacific
1973 Pacific hurricane season
The 1973 Pacific season has 12 storms in the best-track record; 12 reached tropical-storm strength and 7 became hurricanes, 3 of them major. Its accumulated cyclone energy of 114.7 is the 30th-highest of the 77 seasons in the eastern and central Pacific record since 1949. Ava was the strongest, peaking at 160 mph as a Category 5 hurricane. Like most Pacific seasons before 1989, it has no landfall records in the file. The first record is dated June 2, the last October 9.
Storm by storm
More storms formed in July than in any other month of 1973: 4 of 12. Doreen both lasted longest, 16.0 days as a tropical or subtropical system, and contributed the most energy, 30% of the season's ACE.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Ava | Jun 2–12 | 160 mph | Category 5 | 915 mb | – |
| Bernice | Jun 22–23 | 70 mph | Tropical storm | – | – |
| Claudia | Jun 26–29 | 65 mph | Tropical storm | 999 mb | – |
| Doreen | Jul 18 – Aug 3 | 140 mph | Category 4 | 968 mb | – |
| Emily | Jul 21–28 | 140 mph | Category 4 | 972 mb | – |
| Florence | Jul 25–30 | 90 mph | Category 1 | 995 mb | – |
| Glenda | Jul 30 – Aug 5 | 60 mph | Tropical storm | – | – |
| Heather | Aug 31 – Sep 1 | 50 mph | Tropical storm | – | – |
| Irah | Sep 22–26 | 110 mph | Category 2 | 955 mb | – |
| Jennifer | Sep 23–27 | 40 mph | Tropical storm | – | – |
| Katherine | Sep 29 – Oct 9 | 100 mph | Category 2 | 978 mb | – |
| Lillian | Oct 5–9 | 85 mph | Category 1 | 990 mb | – |
Against other Pacific seasons
Accumulated cyclone energy of every season; the red bar is 1973.