1870 Atlantic hurricane season
The 1870 Atlantic season had 9 storms of tropical-storm strength or more, 9 of them hurricanes and 2 major (Category 3 or stronger).
The first storm was tracked from July 30, 1870 and the last ended on January 1, 1970. The strongest by wind was Unnamed hurricane 4, 1870 Atlantic, at 125 mph (205 km/h). The season's accumulated cyclone energy (ACE) was 87.8.
- Storms
- 9
- Hurricanes
- 9
- Major
- 2
- Category 5
- 0
- ACE
- 87.8
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Unnamed hurricane 1, 1870 Atlantic | Jul 30 – Jul 30 | 80 mph |
| Unnamed storm 2, 1870 Atlantic | Aug 1 – Aug 3 | — |
| Unnamed hurricane 3, 1870 Atlantic | Aug 30 – Sep 4 | 105 mph |
| Unnamed hurricane 4, 1870 Atlantic | Sep 1 – Sep 13 | 125 mph |
| Unnamed storm 5, 1870 Atlantic | Sep 8 – Sep 20 | — |
| Unnamed hurricane 6, 1870 Atlantic | Sep 17 – Sep 20 | 90 mph |
| Unnamed storm 7, 1870 Atlantic | Sep 20 – Oct 1 | — |
| Unnamed hurricane 8, 1870 Atlantic | Oct 5 – Oct 14 | 115 mph |
| Unnamed hurricane 9, 1870 Atlantic | Oct 7 – Oct 11 | 80 mph |
| Unnamed hurricane 10, 1870 Atlantic | Oct 19 – Oct 22 | 105 mph |
| Unnamed hurricane 11, 1870 Atlantic | Oct 23 – Oct 23 | 105 mph |
| Unnamed storm 12, 1870 Atlantic | Oct 24 – Oct 25 | — |
| Unnamed hurricane 13, 1870 Atlantic | Oct 30 – Nov 3 | 80 mph |
| Unnamed storm 14, 1870 Atlantic | Nov 5 – Nov 16 | — |
| Unnamed storm 15, 1870 Atlantic | Nov 20 – Nov 26 | — |