Storm history › South Indian Ocean
1921 South Indian Ocean cyclone season
The 1921 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 December 11, 1920 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, 1921 South Indian Ocean | Dec 11 – Dec 14 | — |
| Unnamed storm 2, 1921 South Indian Ocean | Dec 20 – Dec 26 | — |
| Unnamed storm 3, 1921 South Indian Ocean | Jan 16 – Jan 28 | — |
| Unnamed storm 4, 1921 South Indian Ocean | Feb 6 – Feb 14 | — |
| Unnamed storm 5, 1921 South Indian Ocean | Feb 7 – Feb 10 | — |
| Unnamed storm 6, 1921 South Indian Ocean | Feb 9 – Feb 13 | — |
| Unnamed storm 7, 1921 South Indian Ocean | Feb 10 – Feb 12 | — |
| Unnamed storm 8, 1921 South Indian Ocean | Feb 11 – Feb 21 | — |
| Unnamed storm 9, 1921 South Indian Ocean | Feb 11 – Feb 15 | — |
| Unnamed storm 10, 1921 South Indian Ocean | Feb 11 – Feb 15 | — |
| Unnamed storm 11, 1921 South Indian Ocean | Feb 17 – Feb 19 | — |
| Unnamed storm 12, 1921 South Indian Ocean | Mar 10 – Mar 18 | — |
| Unnamed storm 13, 1921 South Indian Ocean | Mar 11 – Mar 21 | — |