2023 tropical cyclone season · Southern Hemisphere
Cyclone Gabrielle Gabrielle · SH122023
Cyclone Gabrielle was tracked in the Southern Hemisphere from 2023-02-05 to 2023-02-15 (10 days), peaking at 90 kt (H2) with a minimum pressure of 958 hPa. 76 archived forecasts from ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was GFS, 82 km off on average.
- ATCF ID
- SH122023
- Basin
- Southern Hemisphere
- Tracked
- 2023-02-05 → 2023-02-15 (10 days)
- Peak wind
- 90 kt · 46 m/s · H2
- Minimum pressure
- 958 hPa
- Archived forecasts
- 76
- Sources
- ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| ECMWF | 58 (13) | 124 (9) | 183 (5) | — |
| ECMWF ENS | 65 (13) | 127 (9) | 207 (5) | — |
| GFS | 63 (13) | 82 (9) | 145 (5) | — |
| GEFS | 60 (13) | 91 (9) | 77 (5) | — |
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 |
|---|---|---|---|---|
| 2023-02-05 06Z | 12.3°S 163.0°E | 20 | 1007 | TD |
| 2023-02-05 12Z | 12.2°S 161.5°E | 15 | 1010 | TD |
| 2023-02-05 18Z | 12.0°S 160.1°E | 15 | 1001 | TD |
| 2023-02-06 00Z | 11.9°S 158.7°E | 15 | 1001 | TD |
| 2023-02-06 06Z | 11.7°S 157.3°E | 20 | 996 | TD |
| 2023-02-06 12Z | 11.8°S 156.0°E | 25 | 997 | TD |
| 2023-02-06 18Z | 12.3°S 155.5°E | 25 | 997 | TD |
| 2023-02-07 00Z | 12.8°S 155.0°E | 30 | 993 | TD |
| 2023-02-07 06Z | 13.3°S 154.4°E | 30 | 991 | TD |
| 2023-02-07 12Z | 13.9°S 153.7°E | 35 | 989 | TS |
| 2023-02-07 18Z | 15.1°S 153.4°E | 40 | 993 | TS |
| 2023-02-08 00Z | 15.5°S 153.0°E | 40 | 994 | TS |
| 2023-02-08 06Z | 16.0°S 152.6°E | 45 | 988 | TS |
| 2023-02-08 12Z | 16.8°S 152.4°E | 45 | 988 | TS |
| 2023-02-08 18Z | 17.4°S 152.7°E | 45 | 989 | TS |
| 2023-02-09 00Z | 18.0°S 153.0°E | 50 | 987 | TS |
| 2023-02-09 06Z | 19.1°S 153.9°E | 60 | 978 | TS |
| 2023-02-09 12Z | 19.7°S 154.9°E | 70 | 975 | H1 |
| 2023-02-09 18Z | 20.7°S 156.1°E | 80 | 968 | H1 |
| 2023-02-10 00Z | 22.0°S 157.7°E | 85 | 965 | H2 |
| 2023-02-10 06Z | 23.3°S 159.6°E | 90 | 958 | H2 |
| 2023-02-10 12Z | 24.9°S 162.3°E | 75 | 968 | H1 |
| 2023-02-10 18Z | 26.6°S 164.3°E | 60 | 975 | TS |
| 2023-02-11 00Z | 27.8°S 165.6°E | 60 | 975 | TS |
| 2023-02-11 06Z | 28.6°S 167.0°E | 60 | 971 | TS |
| 2023-02-11 12Z | 29.3°S 168.2°E | 55 | 973 | TS |
| 2023-02-11 18Z | 29.8°S 170.2°E | 50 | 975 | TS |
| 2023-02-12 00Z | 30.9°S 171.8°E | 45 | 981 | TS |