Storm history › Atlantic › 1973 season
Tropical Storm Alfa (1973)
Alfa was a tropical storm of the 1973 Atlantic season. It was tracked from July 30, 1973 to August 2, 1973, about 3 days, and covered 1,033 miles.
At its peak it had winds of 45 mph (75 km/h) and a lowest pressure of 1005 mb.
Its closest pass to a major city was 98 miles from South Boston, United States.
- Peak wind
- 45 mph
- Lowest pressure
- 1005 mb
- Strongest
- Tropical storm
- Landfalls
- None recorded
- Duration
- 3 days
- Track length
- 1,033 mi
- Energy (ACE)
- 1.0
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Closest pass to major cities
| City | Closest pass |
|---|---|
| South Boston, United States | 98 mi (158 km) |
| Boston, United States | 99 mi (159 km) |
| Halifax, Canada | 139 mi (223 km) |
How it compares
- Peak winds: 1612th highest of 2,017 Atlantic storms on record, tied with Tropical Storm Arthur (2026), Tropical Storm Cristobal (2026), Tropical Storm Hanna (2026) and 50 more.
- Lowest pressure: 1133rd lowest of 1,294 Atlantic storms with a recorded pressure, tied with Tropical Storm Chris (2024), Tropical Storm Sean (2023), Tropical Storm Peter (2021) and 21 more.
- Energy: 2% of the 1973 Atlantic season's ACE.