Storm history › West Pacific › 1973 season
Tropical Storm Joan (1973)
Joan was a tropical storm of the 1973 West Pacific season. It was tracked from August 17, 1973 to August 23, 1973, about 6 days, and covered 2,125 miles.
At its peak it had winds of 50 mph (85 km/h) and a lowest pressure of 992 mb.
Its closest pass to a major city was 10 miles from Thanh Hóa, Vietnam.
- Peak wind
- 50 mph
- Lowest pressure
- 992 mb
- Strongest
- Tropical storm
- Duration
- 6 days
- Track length
- 2,125 mi
- Energy (ACE)
- 0.6
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Closest pass to major cities
| City | Closest pass |
|---|---|
| Thanh Hóa, Vietnam | 10 mi (15 km) |
| Vientiane, Laos | 21 mi (33 km) |
| Zhanjiang, China | 22 mi (36 km) |
| Wuchuan, China | 31 mi (50 km) |
| Nam Định, Vietnam | 33 mi (53 km) |
| Yangjiang, China | 42 mi (68 km) |
| Maoming, China | 43 mi (69 km) |
How it compares
- Peak winds: 1666th highest of 2,271 West Pacific storms on record, tied with Tropical Storm Etau (2026), Tropical Storm Krovanh (2026), Tropical Storm Lingling (2025) and 136 more.
- Lowest pressure: 1608th lowest of 2,047 West Pacific storms with a recorded pressure, tied with Tropical Storm Nokaen (2026), Tropical Storm Lingling (2025), Tropical Storm Trases (2022) and 51 more.
- Energy: 0% of the 1973 West Pacific season's ACE.