2026 tropical cyclone season · Southern Hemisphere
Cyclone Iggy Iggy · SH112026
Cyclone Iggy was tracked in the Southern Hemisphere from 2025-12-31 to 2026-01-04 (4 days), peaking at 45 kt (TS) with a minimum pressure of 998 hPa. 103 archived forecasts from ECMWF, ECMWF ENS are verified against its best track; at 48 hours the closest was ECMWF ENS, 252 km off on average.
- ATCF ID
- SH112026
- Basin
- Southern Hemisphere
- Tracked
- 2025-12-31 → 2026-01-04 (4 days)
- Peak wind
- 45 kt · 23 m/s · TS
- Minimum pressure
- 998 hPa
- Archived forecasts
- 103
- Sources
- ECMWF · ECMWF ENS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 89 (2) | 284 (2) | 605 (1) | — |
| ECMWF ENS | 73 (6) | 252 (4) | 605 (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 |
|---|---|---|---|---|
| 2025-12-31 18Z | 11.2°S 106.3°E | 35 | 1000 | TS |
| 2026-01-01 00Z | 12.4°S 107.8°E | 35 | 1000 | TS |
| 2026-01-01 06Z | 13.1°S 108.1°E | 45 | 998 | TS |
| 2026-01-01 12Z | 13.8°S 108.4°E | 45 | 998 | TS |
| 2026-01-01 18Z | 14.7°S 109.2°E | 45 | 998 | TS |
| 2026-01-02 00Z | 15.3°S 109.5°E | 39 | 1000 | TS |
| 2026-01-02 06Z | 16.1°S 109.4°E | 39 | 1000 | TS |
| 2026-01-02 12Z | 16.7°S 108.9°E | 35 | 1003 | TS |
| 2026-01-02 18Z | 16.8°S 108.2°E | 29 | 1005 | TD |
| 2026-01-03 00Z | 16.8°S 107.1°E | 25 | 1006 | TD |
| 2026-01-03 06Z | 16.6°S 105.9°E | 25 | 1007 | TD |
| 2026-01-03 12Z | 16.7°S 104.6°E | 19 | 1007 | TD |
| 2026-01-03 18Z | 16.8°S 103.3°E | 25 | 1007 | TD |