Subtropical Storm Alfa (1973)
Jul 30, 12:00 PM UTC – Aug 2, 6:00 AM UTC (2.8 days)
- Peak
- Subtropical Storm
- Max sustained wind
- 45 mph (40 kt)
- Lowest pressure
- 1005 mb
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (12)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1973-07-30 12:00 | SD | 32.6°N 74.1°W | 25 | 1011 | |
| 1973-07-30 18:00 | SD | 33.5°N 73.0°W | 30 | 1011 | |
| 1973-07-31 00:00 | SS | 34.5°N 72.0°W | 35 | 1011 | |
| 1973-07-31 06:00 | SS | 35.5°N 71.0°W | 35 | 1011 | |
| 1973-07-31 12:00 | SS | 36.8°N 70.5°W | 40 | 1011 | |
| 1973-07-31 18:00 | SS | 38.3°N 70.2°W | 40 | 1005 | |
| 1973-08-01 00:00 | SS | 39.4°N 69.9°W | 40 | 1006 | |
| 1973-08-01 06:00 | SS | 40.3°N 69.7°W | 35 | 1006 | |
| 1973-08-01 12:00 | SS | 41.3°N 69.4°W | 35 | 1007 | |
| 1973-08-01 18:00 | SD | 42.6°N 69.0°W | 30 | 1008 | |
| 1973-08-02 00:00 | SD | 44.0°N 68.0°W | 25 | 1010 | |
| 1973-08-02 06:00 | SD | 45.7°N 66.0°W | 20 | 1010 |
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.