2026 tropical cyclone season · Southern Hemisphere
Cyclone Unnamed SH06 SH06 · SH062026
Cyclone Unnamed SH06 was tracked in the Southern Hemisphere from 2025-12-05 to 2025-12-06 (1 days), peaking at 39 kt (TS) with a minimum pressure of 999 hPa. 114 archived forecasts from ECMWF, ECMWF ENS are verified against its best track.
- ATCF ID
- SH062026
- Basin
- Southern Hemisphere
- Tracked
- 2025-12-05 → 2025-12-06 (1 days)
- Peak wind
- 39 kt · 20 m/s · TS
- Minimum pressure
- 999 hPa
- Archived forecasts
- 114
- Sources
- ECMWF · ECMWF ENS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 39 (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 |
|---|---|---|---|---|
| 2025-12-05 00Z | 13.9°S 149.7°W | 35 | 1002 | TS |
| 2025-12-05 06Z | 15.0°S 148.8°W | 39 | 1001 | TS |
| 2025-12-05 12Z | 16.0°S 148.0°W | 39 | 999 | TS |
| 2025-12-05 18Z | 17.4°S 147.1°W | 39 | 999 | TS |
| 2025-12-06 00Z | 18.7°S 147.0°W | 35 | 1000 | TS |
| 2025-12-06 06Z | 20.2°S 146.5°W | 35 | 1000 | TS |