Storm history › South Indian Ocean
1991 South Indian Ocean cyclone season
The 1991 South Indian Ocean season had 13 storms of tropical-storm strength or more, 6 of them cyclones and 2 major (Category 3 or stronger).
The first storm was tracked from September 19, 1990 and the last ended on June 16, 1991. The strongest by wind was Cyclone Bella (1991), at 150 mph (240 km/h). The season's accumulated cyclone energy (ACE) was 100.6.
- Storms
- 13
- Cyclones
- 6
- Major
- 2
- Category 5
- 0
- ACE
- 100.6
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Unnamed tropical depression 1, 1991 South Indian Ocean | Sep 19 – Sep 25 | 35 mph |
| Unnamed tropical depression 2, 1991 South Indian Ocean | Oct 15 – Oct 20 | 35 mph |
| Unnamed tropical storm 3, 1991 South Indian Ocean | Nov 29 – Dec 7 | 65 mph |
| Tropical Storm Laurence | Dec 8 – Dec 12 | 40 mph |
| Cyclone Alison | Jan 8 – Jan 18 | 75 mph |
| Cyclone Bella | Jan 13 – Feb 4 | 150 mph |
| Tropical Storm Chris | Feb 15 – Feb 23 | 60 mph |
| Tropical Storm Cynthia | Feb 16 – Feb 19 | 60 mph |
| Cyclone Debra | Feb 22 – Mar 4 | 105 mph |
| Tropical Storm Elma | Feb 26 – Mar 5 | 70 mph |
| Cyclone Fatima | Mar 20 – Apr 2 | 105 mph |
| Cyclone Errol | Mar 23 – Mar 31 | 125 mph |
| Unnamed tropical depression 13, 1991 South Indian Ocean | Mar 30 – Apr 3 | 30 mph |
| Cyclone Marian | Apr 8 – Apr 19 | 110 mph |
| Tropical Storm Fifi | Apr 14 – Apr 21 | 65 mph |
| Tropical Storm Gritelle | Jun 5 – Jun 16 | 45 mph |