2025 tropical cyclone season · Southern Hemisphere
Cyclone Unnamed SH05 SH05 · SH052025
Cyclone Unnamed SH05 was tracked in the Southern Hemisphere from 2024-12-24 to 2024-12-31 (7 days), peaking at 35 kt (TS) with a minimum pressure of 1001 hPa. 168 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 83 km off on average.
- ATCF ID
- SH052025
- Basin
- Southern Hemisphere
- Tracked
- 2024-12-24 → 2024-12-31 (7 days)
- Peak wind
- 35 kt · 18 m/s · TS
- Minimum pressure
- 1001 hPa
- Archived forecasts
- 168
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 49 (9) | 88 (5) | 63 (2) | — |
| ECMWF ENS | 57 (12) | 83 (8) | 83 (4) | — |
| GFS | 80 (12) | 146 (8) | 302 (4) | — |
| GEFS | 76 (12) | 156 (8) | 299 (4) | — |
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 |
|---|---|---|---|---|
| 2024-12-27 00Z | 11.9°S 95.1°E | 35 | 1002 | TS |
| 2024-12-27 06Z | 11.8°S 95.8°E | 35 | 1001 | TS |
| 2024-12-27 12Z | 12.5°S 96.4°E | 35 | 1001 | TS |
| 2024-12-27 18Z | 13.2°S 96.7°E | 35 | 1003 | TS |
| 2024-12-28 00Z | 14.0°S 96.6°E | 35 | 1003 | TS |
| 2024-12-28 06Z | 14.4°S 96.0°E | 29 | 1003 | TD |
| 2024-12-28 12Z | 14.8°S 96.3°E | 29 | 1003 | TD |
| 2024-12-28 18Z | 14.8°S 96.5°E | 25 | 1003 | TD |
| 2024-12-29 00Z | 15.4°S 96.6°E | 25 | 1003 | TD |
| 2024-12-29 06Z | 15.7°S 95.9°E | 29 | 1002 | TD |
| 2024-12-29 12Z | 15.8°S 96.7°E | 29 | 1003 | TD |
| 2024-12-29 18Z | 16.1°S 96.8°E | 29 | 1003 | TD |
| 2024-12-30 00Z | 16.6°S 95.3°E | 29 | 1005 | TD |
| 2024-12-30 06Z | 17.1°S 93.2°E | 25 | 1005 | TD |
| 2024-12-30 12Z | 17.3°S 92.4°E | 25 | 1005 | TD |
| 2024-12-30 18Z | 17.3°S 91.1°E | 25 | 1006 | TD |
| 2024-12-31 00Z | 17.5°S 90.1°E | 19 | 1007 | TD |