2025 tropical cyclone season · Southern Hemisphere
Cyclone Unnamed SH15 SH15 · SH152025
Cyclone Unnamed SH15 was tracked in the Southern Hemisphere from 2025-02-02 to 2025-02-05 (3 days), peaking at 45 kt (TS) with a minimum pressure of 993 hPa. 62 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 76 km off on average.
- ATCF ID
- SH152025
- Basin
- Southern Hemisphere
- Tracked
- 2025-02-02 → 2025-02-05 (3 days)
- Peak wind
- 45 kt · 23 m/s · TS
- Minimum pressure
- 993 hPa
- Archived forecasts
- 62
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 98 (6) | 130 (3) | — | — |
| ECMWF ENS | 153 (7) | 76 (3) | — | — |
| GFS | 190 (7) | 152 (3) | — | — |
| GEFS | 194 (7) | 80 (3) | — | — |
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 |
|---|---|---|---|---|
| 2025-02-02 12Z | 19.4°S 165.9°E | 39 | 997 | TS |
| 2025-02-02 18Z | 19.5°S 167.5°E | 39 | 997 | TS |
| 2025-02-03 00Z | 20.7°S 167.8°E | 45 | 996 | TS |
| 2025-02-03 06Z | 21.0°S 168.0°E | 45 | 993 | TS |
| 2025-02-03 12Z | 21.0°S 168.0°E | 39 | 995 | TS |
| 2025-02-03 18Z | 21.1°S 168.2°E | 35 | 997 | TS |
| 2025-02-04 00Z | 21.4°S 169.3°E | 29 | 997 | TD |
| 2025-02-04 06Z | 21.4°S 170.5°E | 35 | 996 | TS |
| 2025-02-04 12Z | 21.5°S 172.4°E | 35 | 1000 | TS |
| 2025-02-04 18Z | 21.5°S 173.4°E | 35 | 998 | TS |
| 2025-02-05 00Z | 21.3°S 174.1°E | 35 | 998 | TS |