2025 tropical cyclone season · Southern Hemisphere
Cyclone Unnamed SH26 SH26 · SH262025
Cyclone Unnamed SH26 was tracked in the Southern Hemisphere from 2025-03-17 to 2025-03-25 (8 days), peaking at 45 kt (TS) with a minimum pressure of 995 hPa. 81 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF ENS, 92 km off on average.
- ATCF ID
- SH262025
- Basin
- Southern Hemisphere
- Tracked
- 2025-03-17 → 2025-03-25 (8 days)
- Peak wind
- 45 kt · 23 m/s · TS
- Minimum pressure
- 995 hPa
- Archived forecasts
- 81
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 89 (8) | 146 (4) | — | — |
| ECMWF ENS | 90 (8) | 92 (4) | — | 368 (1) |
| GFS | 50 (8) | 188 (4) | — | 381 (1) |
| GEFS | 77 (8) | 164 (4) | — | 255 (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 |
|---|---|---|---|---|
| 2025-03-18 18Z | 12.7°S 96.4°E | 35 | 1001 | TS |
| 2025-03-19 00Z | 13.2°S 96.4°E | 45 | 995 | TS |
| 2025-03-19 06Z | 13.4°S 95.8°E | 45 | 995 | TS |
| 2025-03-19 12Z | 13.3°S 95.4°E | 39 | 997 | TS |
| 2025-03-19 18Z | 13.0°S 94.8°E | 45 | 995 | TS |
| 2025-03-20 00Z | 13.1°S 94.8°E | 45 | 995 | TS |
| 2025-03-20 06Z | 13.2°S 95.1°E | 39 | 996 | TS |
| 2025-03-20 12Z | 13.7°S 96.2°E | 35 | 1001 | TS |
| 2025-03-20 18Z | 14.4°S 96.3°E | 35 | 1001 | TS |
| 2025-03-21 00Z | 14.9°S 96.4°E | 29 | 1001 | TD |
| 2025-03-21 06Z | 15.1°S 96.7°E | 29 | 1004 | TD |
| 2025-03-21 12Z | 15.3°S 97.6°E | 25 | 1003 | TD |
| 2025-03-24 18Z | 13.0°S 101.9°E | 25 | 1005 | TD |