1998 South Pacific cyclone season
The 1998 South Pacific season had 22 storms of tropical-storm strength or more, 13 of them cyclones and 4 major (Category 3 or stronger). 2 reached Category 5: Susan, Ron.
The first storm was tracked from October 4, 1997 and the last ended on May 3, 1998. The strongest by wind was Cyclone Ron (1998), at 165 mph (270 km/h). The season's accumulated cyclone energy (ACE) was 154.7.
- Storms
- 22
- Cyclones
- 13
- Major
- 4
- Category 5
- 2
- ACE
- 154.7
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Storms
| Storm | Dates | Peak |
|---|---|---|
| Tropical Storm Lusi | Oct 4 – Oct 13 | 70 mph |
| Unnamed tropical storm 2, 1998 South Pacific | Oct 24 – Oct 28 | 40 mph |
| Cyclone Martin | Oct 28 – Nov 8 | 115 mph |
| Cyclone Nute | Nov 15 – Nov 21 | 80 mph |
| Cyclone Osea | Nov 21 – Nov 28 | 105 mph |
| Cyclone Pam | Dec 2 – Dec 14 | 75 mph |
| Cyclone Susan | Dec 20 – Jan 10 | 160 mph |
| Cyclone Ron | Jan 1 – Jan 9 | 165 mph |
| Cyclone Katrina | Jan 1 – Feb 2 | 105 mph |
| Tropical Storm Les | Jan 21 – Feb 2 | 60 mph |
| Tropical Storm Tui | Jan 24 – Jan 27 | 45 mph |
| Cyclone Ursula | Jan 29 – Feb 5 | 75 mph |
| Cyclone Veli | Jan 30 – Feb 4 | 85 mph |
| Tropical Storm Wes | Jan 31 – Feb 5 | 50 mph |
| Cyclone Cindy / Victor | Feb 4 – Feb 18 | 105 mph |
| Tropical Storm May | Feb 24 – Feb 28 | 40 mph |
| Cyclone Yali | Mar 17 – Mar 31 | 105 mph |
| Cyclone Nathan | Mar 19 – Mar 31 | 75 mph |
| Cyclone Zuman | Mar 28 – Apr 10 | 115 mph |
| Unnamed tropical storm 20, 1998 South Pacific | Apr 16 – Apr 19 | 45 mph |
| Tropical Storm Alan | Apr 18 – Apr 26 | 50 mph |
| Tropical Storm Bart | Apr 29 – May 3 | 40 mph |