Unnamed Tropical Depression, AL04 1977
Aug 1, 12:00 PM UTC – Aug 4, 12:00 PM UTC (3.0 days)
- Peak
- Tropical Depression
- Max sustained wind
- 35 mph (30 kt)
- Lowest pressure
- —
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (13)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1977-08-01 12:00 | TD | 11.5°N 17.5°W | 20 | — | |
| 1977-08-01 18:00 | TD | 11.5°N 19.5°W | 25 | — | |
| 1977-08-02 00:00 | TD | 11.5°N 21.5°W | 25 | — | |
| 1977-08-02 06:00 | TD | 11.5°N 23.5°W | 30 | — | |
| 1977-08-02 12:00 | TD | 11.5°N 25.5°W | 30 | — | |
| 1977-08-02 18:00 | TD | 11.6°N 27.1°W | 30 | — | |
| 1977-08-03 00:00 | TD | 11.7°N 28.7°W | 30 | — | |
| 1977-08-03 06:00 | TD | 11.8°N 30.3°W | 30 | — | |
| 1977-08-03 12:00 | TD | 12.0°N 32.0°W | 30 | — | |
| 1977-08-03 18:00 | TD | 12.4°N 33.5°W | 30 | — | |
| 1977-08-04 00:00 | TD | 12.8°N 35.0°W | 25 | — | |
| 1977-08-04 06:00 | TD | 13.2°N 36.5°W | 25 | — | |
| 1977-08-04 12:00 | TD | 13.5°N 38.0°W | 20 | — |
From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.