Storm history › South Indian Ocean
1870 South Indian Ocean cyclone season
The 1870 South Indian Ocean season had 0 storms of tropical-storm strength or more, 0 of them cyclones and 0 major (Category 3 or stronger).
The first storm was tracked from October 31, 1869 and the last ended on January 1, 1970. The season's accumulated cyclone energy (ACE) was 0.0.
- Storms
- 0
- Cyclones
- 0
- Major
- 0
- Category 5
- 0
- ACE
- 0.0
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Unnamed storm 1, 1870 South Indian Ocean | Oct 31 – Nov 8 | — |
| Unnamed storm 2, 1870 South Indian Ocean | Dec 10 – Dec 14 | — |
| Unnamed storm 3, 1870 South Indian Ocean | Dec 11 – Dec 16 | — |
| Unnamed storm 4, 1870 South Indian Ocean | Jan 1 – Jan 5 | — |
| Unnamed storm 5, 1870 South Indian Ocean | Jan 21 – Jan 25 | — |
| Unnamed storm 6, 1870 South Indian Ocean | Jan 21 – Jan 23 | — |
| Unnamed storm 7, 1870 South Indian Ocean | Feb 11 – Feb 17 | — |
| Unnamed storm 8, 1870 South Indian Ocean | Feb 14 – Feb 19 | — |
| Unnamed storm 9, 1870 South Indian Ocean | Feb 21 – Mar 1 | — |
| Unnamed storm 10, 1870 South Indian Ocean | Apr 10 – Apr 19 | — |
| Unnamed storm 11, 1870 South Indian Ocean | Apr 10 – Apr 20 | — |