All seasons · Atlantic
1970 Atlantic hurricane season
The 1970 Atlantic season has 21 storms in the best-track record; 14 reached tropical-storm strength and 7 became hurricanes, 2 of them major. Its accumulated cyclone energy of 59.1 is the 57th-lowest of the 175 seasons in the Atlantic record since 1851. Celia was the strongest, peaking at 140 mph as a Category 4 hurricane. Landfall records exist for 6 of its storms, in Cuba, Florida, Martinique, North Carolina, Quintana Roo, Tamaulipas and Texas. The first record is dated May 17, the last December 1.
Storm by storm
More storms formed in September than in any other month of 1970: 9 of 21. Storm 15 of 1970 both lasted longest, 20.2 days as a tropical or subtropical system, and contributed the most energy, 19% of the season's ACE. Strongest landfall of each storm: Becky reached Florida as a tropical storm on July 22; Celia reached Texas as a Category 4 hurricane on August 3; Storm 8 of 1970 reached North Carolina as a tropical storm on August 17; Dorothy reached Martinique as a tropical storm on August 20; Ella reached Tamaulipas as a Category 3 hurricane on September 12; Felice reached Texas as a tropical storm on September 16.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Alma | May 17–27 | 75 mph | Category 1 | 993 mb | – |
| Becky | Jul 19–23 | 65 mph | Tropical storm | 1003 mb | Florida |
| Storm 3 of 1970 | Jul 28 – Aug 1 | 35 mph | Depression | 1008 mb | – |
| Celia | Jul 31 – Aug 5 | 140 mph | Category 4 | 944 mb | Cuba, Texas |
| Storm 5 of 1970 | Aug 2–6 | 35 mph | Depression | – | – |
| Storm 8 of 1970 | Aug 7–18 | 80 mph | Category 1 | 1002 mb | North Carolina |
| Storm 7 of 1970 | Aug 11–18 | 35 mph | Depression | – | – |
| Dorothy | Aug 18–22 | 70 mph | Tropical storm | 996 mb | Martinique |
| Storm 20 of 1970 | Sep 1–2 | 35 mph | Depression | 1008 mb | – |
| Storm 10 of 1970 | Sep 3–13 | 45 mph | Tropical storm | 1006 mb | – |
| Storm 11 of 1970 | Sep 5–7 | 30 mph | Depression | – | – |
| Ella | Sep 8–13 | 125 mph | Category 3 | 962 mb | Quintana Roo, Tamaulipas |
| Felice | Sep 12–18 | 70 mph | Tropical storm | 990 mb | Texas |
| Storm 21 of 1970 | Sep 19–23 | 45 mph | Tropical storm | – | – |
| Storm 14 of 1970 | Sep 22–25 | 30 mph | Depression | – | – |
| Greta | Sep 26 – Oct 4 | 45 mph | Tropical storm | 1003 mb | – |
| Storm 15 of 1970 | Sep 30 – Oct 20 | 85 mph | Category 1 | 989 mb | – |
| Storm 18 of 1970 | Oct 12–17 | 100 mph | Category 2 | 974 mb | – |
| Storm 19 of 1970 | Oct 23–28 | 100 mph | Category 2 | 995 mb | – |
| Storm 22 of 1970 | Nov 13–15 | 35 mph | Depression | 1004 mb | – |
| Storm 23 of 1970 | Nov 28 – Dec 1 | 65 mph | Tropical storm | 987 mb | – |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 1970.