2021 South Pacific Season
8 named storms in the 2021 South Pacific season, 46.5 ACE in total, with tracks and ACE for each storm.
Data as of . Last revised (2026-10-12).
Key Facts
- 8 named storms are listed for the 2021 South Pacific season.
- Their accumulated cyclone energy totals 46.5 ACE.
- The strongest was Yasa with peak winds of 138 kt (256 km/h, 159 mph).
Tracks
| Storm | First position (lat, lon) | Last position (lat, lon) | Track points |
|---|---|---|---|
| Yasa | -12.9, 168.4 | -25.2, 180.6 | 82 |
| Niran | -14.4, 148.9 | -28.8, 187.4 | 73 |
| Ana | -15.8, 171.4 | -30.3, 189.1 | 47 |
| Lucas | -13.7, 137.8 | -22.6, 165.6 | 85 |
| Zazu | -14.0, -170.0 | -23.8, -167.0 | 35 |
| Kimi | -13.5, 146.5 | -17.4, 146.6 | 35 |
| Bina | -14.0, 162.4 | -17.3, 179.6 | 27 |
| Imogen | -13.8, 136.4 | -17.9, 142.7 | 27 |
ACE by Storm
| Yasa | |
|---|---|
| Niran | |
| Ana | |
| Lucas | |
| Zazu | |
| Kimi | |
| Bina | |
| Imogen |
Storms
| Storm | Basin | Season | Peak wind | Lowest pressure | Category | ACE |
|---|---|---|---|---|---|---|
| Yasa | South Pacific | 2021 | 138 kt (256 km/h, 159 mph) | 917 hPa | C5 | 19.8 ACE |
| Niran | South Pacific | 2021 | 135 kt (250 km/h, 155 mph) | 922 hPa | C4 | 14.1 ACE |
| Ana | South Pacific | 2021 | 65 kt (120 km/h, 75 mph) | 970 hPa | C1 | 4.4 ACE |
| Lucas | South Pacific | 2021 | 63 kt (117 km/h, 72 mph) | 975 hPa | TS | 3.2 ACE |
| Zazu | South Pacific | 2021 | 55 kt (102 km/h, 63 mph) | 980 hPa | TS | 2.2 ACE |
| Kimi | South Pacific | 2021 | 55 kt (102 km/h, 63 mph) | 990 hPa | TS | 1.6 ACE |
| Bina | South Pacific | 2021 | 50 kt (93 km/h, 58 mph) | 988 hPa | TS | 0.8 ACE |
| Imogen | South Pacific | 2021 | 50 kt (93 km/h, 58 mph) | 985 hPa | TS | 0.5 ACE |
Sources: Source: International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, NOAA National Centers for Environmental Information, doi:10.25921/82ty-9e16. Some agency values come from third parties such as JMA, IMD and BoM. (NOAA NCEI terms (citation requested)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-12. Storm records are best tracks and can be revised by the agencies.