Storm history › South Indian Ocean
1940 South Indian Ocean cyclone season
The 1940 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 13, 1939 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, 1940 South Indian Ocean | Dec 13 – Dec 18 | — |
| Unnamed storm 2, 1940 South Indian Ocean | Dec 28 – Dec 31 | — |
| Unnamed storm 3, 1940 South Indian Ocean | Jan 1 – Jan 4 | — |
| Unnamed storm 4, 1940 South Indian Ocean | Jan 5 – Jan 8 | — |
| Unnamed storm 5, 1940 South Indian Ocean | Jan 6 – Jan 9 | — |
| Unnamed storm 6, 1940 South Indian Ocean | Jan 7 – Jan 18 | — |
| Unnamed storm 7, 1940 South Indian Ocean | Feb 9 – Feb 19 | — |
| Unnamed storm 8, 1940 South Indian Ocean | Feb 23 – Mar 3 | — |
| Unnamed storm 9, 1940 South Indian Ocean | Mar 15 – Mar 23 | — |
| Unnamed storm 10, 1940 South Indian Ocean | Apr 30 – May 9 | — |
| Unnamed storm 11, 1940 South Indian Ocean | May 9 – May 17 | — |
| Unnamed storm 12, 1940 South Indian Ocean | May 21 – May 31 | — |