Storm history › South Indian Ocean
1971 South Indian Ocean cyclone season
The 1971 South Indian Ocean season had 3 storms of tropical-storm strength or more, 1 of them cyclones and 0 major (Category 3 or stronger).
The first storm was tracked from September 16, 1970 and the last ended on March 29, 1971. The strongest by wind was Cyclone Sheila / Sophie (1971), at 80 mph (130 km/h). The season's accumulated cyclone energy (ACE) was 4.9.
- Storms
- 3
- Cyclones
- 1
- Major
- 0
- Category 5
- 0
- ACE
- 4.9
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Storm Andree | Sep 16 – Sep 19 | — |
| Storm Betsy | Oct 1 – Oct 9 | — |
| Storm Andrea / Claudine | Oct 31 – Nov 13 | — |
| Storm Carmen | Nov 20 – Nov 30 | — |
| Storm Dominique / Hilary | Dec 11 – Dec 28 | — |
| Storm Janet | Dec 19 – Dec 25 | — |
| Storm Loris | Dec 26 – Dec 31 | — |
| Storm Edith | Jan 5 – Jan 10 | — |
| Storm Ginette / Myrtle | Jan 15 – Jan 31 | — |
| Storm Felicie | Jan 17 – Feb 6 | — |
| Storm Polly | Jan 20 – Jan 31 | — |
| Tropical Storm Rita | Jan 22 – Jan 30 | 50 mph |
| Cyclone Sheila / Sophie | Jan 29 – Feb 6 | 80 mph |
| Storm Helga | Feb 2 – Feb 15 | — |
| Storm Iphigenie / Tilly | Feb 10 – Feb 17 | — |
| Storm Joelle | Feb 15 – Feb 25 | — |
| Storm Kalinka | Feb 16 – Feb 26 | — |
| Storm Lise / Yvonne | Feb 19 – Mar 3 | — |
| Storm Maggie / Muriel | Mar 7 – Mar 20 | — |
| Storm Nelly | Mar 12 – Mar 26 | — |
| Tropical Storm Mavis | Mar 23 – Mar 29 | 60 mph |