Storm history › South Indian Ocean
1998 South Indian Ocean cyclone season
The 1998 South Indian Ocean season had 13 storms of tropical-storm strength or more, 5 of them cyclones and 2 major (Category 3 or stronger).
The first storm was tracked from July 18, 1997 and the last ended on April 22, 1998. The strongest by wind was Cyclone Tiffany (1998), at 140 mph (220 km/h). The season's accumulated cyclone energy (ACE) was 67.3.
- Storms
- 13
- Cyclones
- 5
- Major
- 2
- Category 5
- 0
- ACE
- 67.3
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Unnamed tropical storm 1, 1998 South Indian Ocean | Jul 18 – Jul 25 | 50 mph |
| Tropical Storm Sid | Dec 24 – Dec 29 | 45 mph |
| Cyclone Selwyn | Dec 25 – Jan 3 | 75 mph |
| Unnamed tropical storm 4, 1998 South Indian Ocean | Jan 15 – Jan 23 | 40 mph |
| Cyclone Tiffany | Jan 22 – Feb 2 | 140 mph |
| Tropical Storm Beltane | Feb 1 – Feb 20 | 45 mph |
| Cyclone Anacelle | Feb 5 – Feb 14 | 130 mph |
| Unnamed tropical storm 8, 1998 South Indian Ocean | Feb 15 – Feb 19 | 50 mph |
| Tropical Storm Donaline | Mar 4 – Mar 12 | 65 mph |
| Cyclone Elsie | Mar 4 – Mar 20 | 105 mph |
| Tropical Storm Fiona | Mar 13 – Mar 21 | 40 mph |
| Cyclone Gemma | Apr 6 – Apr 16 | 80 mph |
| Unnamed tropical depression 13, 1998 South Indian Ocean | Apr 6 – Apr 7 | 35 mph |
| Unnamed tropical storm 14, 1998 South Indian Ocean | Apr 17 – Apr 22 | 45 mph |