2024 tropical cyclone season · Southern Hemisphere
Cyclone Unnamed SH15 SH15 · SH152024
Cyclone Unnamed SH15 was tracked in the Southern Hemisphere from 2024-02-14 to 2024-02-17 (3 days), peaking at 55 kt (TS) with a minimum pressure of 988 hPa. 31 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track.
- ATCF ID
- SH152024
- Basin
- Southern Hemisphere
- Tracked
- 2024-02-14 → 2024-02-17 (3 days)
- Peak wind
- 55 kt · 28 m/s · TS
- Minimum pressure
- 988 hPa
- Archived forecasts
- 31
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 93 (1) | — | — | — |
| ECMWF ENS | 105 (1) | — | — | — |
| GFS | 114 (1) | — | — | — |
| GEFS | 76 (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 |
|---|---|---|---|---|
| 2024-02-14 06Z | 15.3°S 167.6°W | 25 | 1004 | TD |
| 2024-02-14 12Z | 15.4°S 167.3°W | 25 | 1004 | TD |
| 2024-02-14 18Z | 15.5°S 167.0°W | 30 | 1003 | TD |
| 2024-02-15 00Z | 15.7°S 166.6°W | 30 | 1002 | TD |
| 2024-02-15 06Z | 16.2°S 165.9°W | 30 | 1000 | TD |
| 2024-02-15 12Z | 16.6°S 165.3°W | 35 | 999 | TS |
| 2024-02-15 18Z | 17.1°S 164.2°W | 35 | 997 | TS |
| 2024-02-16 00Z | 18.1°S 163.0°W | 35 | 997 | TS |
| 2024-02-16 06Z | 19.3°S 161.8°W | 40 | 997 | TS |
| 2024-02-16 12Z | 20.5°S 160.1°W | 40 | 999 | TS |
| 2024-02-16 18Z | 22.3°S 157.2°W | 55 | 989 | TS |
| 2024-02-17 00Z | 23.6°S 155.7°W | 55 | 988 | TS |