Subtropical Storm Alpha (2020)
Sep 14, 12:00 PM UTC – Sep 19, 12:00 AM UTC (4.5 days)
- Peak
- Subtropical Storm
- Max sustained wind
- 70 mph (60 kt)
- Lowest pressure
- 992 mb
- Landfalls
- 1
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Landfalls
- Sep 18, 6:40 PM UTC · 40.0°N 8.9°W · Subtropical Storm · 50 mph · 996 mb
Every track point (20)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 2020-09-14 12:00 | EX | 47.2°N 22.0°W | 40 | 1002 | |
| 2020-09-14 18:00 | EX | 47.2°N 22.2°W | 50 | 996 | |
| 2020-09-15 00:00 | EX | 47.0°N 22.4°W | 60 | 992 | |
| 2020-09-15 06:00 | EX | 46.0°N 22.5°W | 60 | 994 | |
| 2020-09-15 12:00 | EX | 45.0°N 22.1°W | 50 | 996 | |
| 2020-09-15 18:00 | EX | 43.9°N 21.4°W | 45 | 998 | |
| 2020-09-16 00:00 | EX | 42.9°N 20.5°W | 40 | 1000 | |
| 2020-09-16 06:00 | EX | 41.9°N 19.8°W | 40 | 1000 | |
| 2020-09-16 12:00 | EX | 40.9°N 19.5°W | 40 | 1000 | |
| 2020-09-16 18:00 | EX | 39.9°N 19.3°W | 40 | 1000 | |
| 2020-09-17 00:00 | EX | 38.9°N 18.9°W | 35 | 1002 | |
| 2020-09-17 06:00 | SS | 38.3°N 18.1°W | 35 | 1002 | |
| 2020-09-17 12:00 | SS | 37.7°N 17.3°W | 35 | 1002 | |
| 2020-09-17 18:00 | SS | 36.7°N 15.6°W | 40 | 999 | |
| 2020-09-18 00:00 | SS | 36.7°N 13.1°W | 45 | 996 | |
| 2020-09-18 06:00 | SS | 37.9°N 11.4°W | 45 | 996 | |
| 2020-09-18 12:00 | SS | 38.9°N 10.3°W | 45 | 996 | |
| 2020-09-18 18:00 | SS | 39.9°N 9.1°W | 45 | 996 | |
| 2020-09-18 18:40 | SS | 40.0°N 8.9°W | 45 | 996 | Landfall |
| 2020-09-19 00:00 | SD | 40.6°N 7.6°W | 30 | 1004 |
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.