2026 tropical cyclone season · Southern Hemisphere
Cyclone Koji Koji · SH132026
Cyclone Koji was tracked in the Southern Hemisphere from 2026-01-07 to 2026-01-14 (8 days), peaking at 45 kt (TS) with a minimum pressure of 987 hPa. 73 archived forecasts from ECMWF, ECMWF ENS are verified against its best track.
- ATCF ID
- SH132026
- Basin
- Southern Hemisphere
- Tracked
- 2026-01-07 → 2026-01-14 (8 days)
- Peak wind
- 45 kt · 23 m/s · TS
- Minimum pressure
- 987 hPa
- Archived forecasts
- 73
- Sources
- ECMWF · ECMWF ENS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF ENS | 129 (1) | — | — | — |
Mean great-circle distance to the best track at each lead time, counted while the system was a tropical or subtropical cyclone; the number of cases is in brackets.
Best track
Six-hourly positions of the US best track (JTWC / NHC, one-minute winds); grades on the Saffir–Simpson scale.
| Time (UTC) | Position | Wind (kt) | Pressure (hPa) | Grade |
|---|---|---|---|---|
| 2026-01-10 06Z | 17.0°S 148.1°E | 39 | 988 | TS |
| 2026-01-10 12Z | 17.9°S 148.0°E | 45 | 988 | TS |
| 2026-01-10 18Z | 19.3°S 147.9°E | 45 | 987 | TS |
| 2026-01-11 00Z | 20.1°S 147.7°E | 35 | 992 | TS |
| 2026-01-11 06Z | 20.7°S 147.3°E | 29 | 993 | TD |