2024 tropical cyclone season · Southern Hemisphere
Cyclone Osai Osai · SH112024
Cyclone Osai was tracked in the Southern Hemisphere from 2024-02-06 to 2024-02-09 (3 days), peaking at 50 kt (TS) with a minimum pressure of 992 hPa. 85 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track.
- ATCF ID
- SH112024
- Basin
- Southern Hemisphere
- Tracked
- 2024-02-06 → 2024-02-09 (3 days)
- Peak wind
- 50 kt · 26 m/s · TS
- Minimum pressure
- 992 hPa
- Archived forecasts
- 85
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 227 (2) | — | — | — |
| ECMWF ENS | 197 (4) | — | — | — |
| GFS | 177 (4) | — | — | — |
| GEFS | 166 (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 |
|---|---|---|---|---|
| 2024-02-06 06Z | 10.5°S 173.8°W | 25 | 1005 | TD |
| 2024-02-06 12Z | 11.8°S 171.9°W | 30 | 1000 | TD |
| 2024-02-06 18Z | 13.0°S 170.2°W | 35 | 998 | TS |
| 2024-02-07 00Z | 14.4°S 168.5°W | 40 | 996 | TS |
| 2024-02-07 06Z | 15.7°S 166.8°W | 45 | 994 | TS |
| 2024-02-07 12Z | 16.6°S 165.7°W | 50 | 992 | TS |
| 2024-02-07 18Z | 17.2°S 164.9°W | 45 | 995 | TS |
| 2024-02-08 00Z | 17.7°S 164.7°W | 35 | 997 | TS |
| 2024-02-08 06Z | 18.1°S 164.0°W | 30 | 998 | TD |
| 2024-02-08 12Z | 18.8°S 163.3°W | 25 | 999 | TD |
| 2024-02-08 18Z | 18.7°S 163.3°W | 25 | 999 | TD |
| 2024-02-09 00Z | 18.8°S 163.7°W | 20 | 1000 | TD |