2025 tropical cyclone season · Southern Hemisphere
Cyclone Ancha Ancha · SH012025
Cyclone Ancha was tracked in the Southern Hemisphere from 2024-09-29 to 2024-10-07 (8 days), peaking at 51 kt (TS) with a minimum pressure of 954 hPa. 87 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was GFS, 60 km off on average.
- ATCF ID
- SH012025
- Basin
- Southern Hemisphere
- Tracked
- 2024-09-29 → 2024-10-07 (8 days)
- Peak wind
- 51 kt · 26 m/s · TS
- Minimum pressure
- 954 hPa
- Archived forecasts
- 87
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF ENS | 73 (5) | 105 (3) | 173 (1) | — |
| GFS | 61 (6) | 60 (3) | 151 (2) | — |
| GEFS | 73 (6) | 86 (3) | 201 (2) | — |
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 |
|---|---|---|---|---|
| 2024-10-01 18Z | 9.9°S 76.1°E | 39 | 998 | TS |
| 2024-10-02 00Z | 10.0°S 75.7°E | 45 | 996 | TS |
| 2024-10-02 06Z | 10.4°S 75.2°E | 45 | 996 | TS |
| 2024-10-02 12Z | 11.5°S 74.6°E | 51 | 954 | TS |
| 2024-10-02 18Z | 12.1°S 73.8°E | 48 | 955 | TS |
| 2024-10-03 00Z | 12.4°S 73.0°E | 45 | 956 | TS |
| 2024-10-03 06Z | 12.7°S 72.4°E | 45 | 996 | TS |
| 2024-10-03 12Z | 12.8°S 71.3°E | 35 | 998 | TS |
| 2024-10-03 18Z | 13.2°S 70.0°E | 29 | 1001 | TD |
| 2024-10-04 00Z | 13.7°S 68.8°E | — | — | — |
| 2024-10-04 06Z | 14.2°S 67.9°E | — | — | — |
| 2024-10-04 12Z | 14.9°S 67.2°E | — | — | — |
| 2024-10-04 18Z | 15.7°S 66.9°E | 25 | 1006 | TD |
| 2024-10-05 00Z | 16.7°S 67.0°E | 25 | 1007 | TD |
| 2024-10-05 06Z | 16.9°S 66.6°E | 19 | 1007 | TD |
| 2024-10-05 12Z | 16.5°S 66.4°E | 19 | 1006 | TD |
| 2024-10-05 18Z | 16.4°S 66.1°E | 19 | 1007 | TD |