2024 tropical cyclone season · North Atlantic
Hurricane Debby Debby · AL042024
Hurricane Debby was tracked in the North Atlantic from 2024-08-02 to 2024-08-10 (8 days), peaking at 70 kt (H1) with a minimum pressure of 980 hPa. 171 archived forecasts from NHC, ECMWF, ECMWF ENS, GFS, GEFS are verified against its best track; at 48 hours the closest was ECMWF, 43 km off on average.
- ATCF ID
- AL042024
- Basin
- North Atlantic
- Tracked
- 2024-08-02 → 2024-08-10 (8 days)
- Peak wind
- 70 kt · 36 m/s · H1
- Minimum pressure
- 980 hPa
- Archived forecasts
- 171
- Sources
- NHC · ECMWF · ECMWF ENS · GFS · GEFS
Forecast track error (km)
| Source | 24 h | 48 h | 72 h | 120 h |
|---|---|---|---|---|
| NHC | 37 (20) | 66 (16) | 100 (12) | 95 (4) |
| ECMWF | 41 (20) | 43 (16) | 75 (12) | 147 (2) |
| ECMWF ENS | 41 (20) | 56 (16) | 90 (12) | 104 (4) |
| GFS | 75 (20) | 132 (16) | 170 (12) | 174 (4) |
| GEFS | 74 (20) | 115 (16) | 156 (12) | 216 (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 |
|---|---|---|---|---|
| 2024-08-02 12Z | 20.4°N 75.8°W | 25 | 1012 | TD |
| 2024-08-02 18Z | 20.6°N 77.5°W | 25 | 1011 | TD |
| 2024-08-03 00Z | 20.9°N 78.9°W | 25 | 1010 | TD |
| 2024-08-03 06Z | 21.5°N 80.2°W | 25 | 1009 | TD |
| 2024-08-03 12Z | 22.2°N 81.5°W | 30 | 1008 | TD |
| 2024-08-03 18Z | 23.1°N 82.6°W | 35 | 1006 | TS |
| 2024-08-04 00Z | 23.9°N 83.2°W | 35 | 1003 | TS |
| 2024-08-04 06Z | 25.0°N 83.8°W | 40 | 1000 | TS |
| 2024-08-04 12Z | 26.2°N 84.3°W | 50 | 994 | TS |
| 2024-08-04 18Z | 27.3°N 84.3°W | 60 | 989 | TS |
| 2024-08-05 00Z | 28.3°N 84.1°W | 70 | 986 | H1 |
| 2024-08-05 06Z | 29.1°N 83.9°W | 70 | 980 | H1 |
| 2024-08-05 12Z | 29.9°N 83.4°W | 65 | 982 | H1 |
| 2024-08-05 18Z | 30.4°N 83.0°W | 50 | 992 | TS |
| 2024-08-06 00Z | 30.8°N 82.3°W | 45 | 996 | TS |
| 2024-08-06 06Z | 31.3°N 81.8°W | 45 | 999 | TS |
| 2024-08-06 12Z | 31.8°N 81.4°W | 40 | 999 | TS |
| 2024-08-06 18Z | 32.0°N 81.1°W | 40 | 999 | TS |
| 2024-08-07 00Z | 31.9°N 80.4°W | 40 | 997 | TS |
| 2024-08-07 06Z | 31.8°N 79.7°W | 45 | 995 | TS |
| 2024-08-07 12Z | 32.2°N 79.3°W | 50 | 994 | TS |
| 2024-08-07 18Z | 32.5°N 79.2°W | 50 | 994 | TS |
| 2024-08-08 00Z | 32.7°N 79.4°W | 45 | 995 | TS |
| 2024-08-08 06Z | 33.0°N 79.6°W | 40 | 995 | TS |
| 2024-08-08 12Z | 33.7°N 80.0°W | 40 | 995 | TS |
| 2024-08-08 18Z | 34.6°N 80.3°W | 40 | 997 | TS |
| 2024-08-09 00Z | 35.5°N 80.1°W | 30 | 1000 | TD |
| 2024-08-09 06Z | 37.0°N 79.7°W | 30 | 1003 | TD |
| 2024-08-09 12Z | 40.3°N 78.9°W | 30 | 1003 | TD |
| 2024-08-09 18Z | 42.8°N 76.5°W | 30 | 998 | TD |
| 2024-08-10 00Z | 45.3°N 73.0°W | 30 | 996 | TD |
| 2024-08-10 06Z | 47.8°N 69.1°W | 30 | 998 | TD |
| 2024-08-10 12Z | 49.4°N 64.7°W | 35 | 998 | TS |
| 2024-08-10 18Z | 50.0°N 59.5°W | 35 | 999 | TS |