Unnamed Tropical Depression, AL12 1978
Sep 3, 12:00 PM UTC – Sep 11, 12:00 PM UTC (8.0 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 (33)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1978-09-03 12:00 | TD | 14.0°N 16.0°W | 20 | — | |
| 1978-09-03 18:00 | TD | 13.9°N 17.1°W | 20 | — | |
| 1978-09-04 00:00 | TD | 13.7°N 18.2°W | 25 | — | |
| 1978-09-04 06:00 | TD | 13.6°N 19.3°W | 25 | — | |
| 1978-09-04 12:00 | TD | 13.5°N 20.5°W | 25 | — | |
| 1978-09-04 18:00 | TD | 13.5°N 22.1°W | 30 | — | |
| 1978-09-05 00:00 | TD | 13.4°N 23.7°W | 30 | — | |
| 1978-09-05 06:00 | TD | 13.3°N 25.3°W | 30 | — | |
| 1978-09-05 12:00 | TD | 13.2°N 27.0°W | 30 | — | |
| 1978-09-05 18:00 | TD | 13.4°N 28.1°W | 30 | — | |
| 1978-09-06 00:00 | TD | 13.6°N 29.3°W | 30 | — | |
| 1978-09-06 06:00 | TD | 13.8°N 30.9°W | 30 | — | |
| 1978-09-06 12:00 | TD | 14.0°N 32.5°W | 30 | — | |
| 1978-09-06 18:00 | TD | 14.6°N 33.3°W | 30 | — | |
| 1978-09-07 00:00 | TD | 15.2°N 34.2°W | 30 | — | |
| 1978-09-07 06:00 | TD | 15.8°N 35.1°W | 30 | — | |
| 1978-09-07 12:00 | TD | 16.5°N 36.0°W | 30 | — | |
| 1978-09-07 18:00 | TD | 17.3°N 37.0°W | 30 | — | |
| 1978-09-08 00:00 | TD | 18.2°N 38.0°W | 30 | — | |
| 1978-09-08 06:00 | TD | 19.1°N 39.0°W | 30 | — | |
| 1978-09-08 12:00 | TD | 20.0°N 40.0°W | 25 | — | |
| 1978-09-08 18:00 | TD | 21.0°N 40.5°W | 25 | — | |
| 1978-09-09 00:00 | TD | 22.0°N 41.0°W | 25 | — | |
| 1978-09-09 06:00 | TD | 23.0°N 41.5°W | 25 | — | |
| 1978-09-09 12:00 | TD | 24.0°N 42.0°W | 25 | — | |
| 1978-09-09 18:00 | TD | 25.1°N 42.0°W | 25 | — | |
| 1978-09-10 00:00 | TD | 26.2°N 42.0°W | 25 | — | |
| 1978-09-10 06:00 | TD | 27.3°N 42.0°W | 25 | — | |
| 1978-09-10 12:00 | TD | 28.5°N 42.0°W | 20 | — | |
| 1978-09-10 18:00 | TD | 29.8°N 41.3°W | 20 | — | |
| 1978-09-11 00:00 | TD | 31.0°N 40.5°W | 20 | — | |
| 1978-09-11 06:00 | TD | 32.3°N 39.7°W | 20 | — | |
| 1978-09-11 12:00 | TD | 37.5°N 39.0°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.