Storm history › West Pacific › 1971 season
Tropical Storm Ivy (1971)
Ivy was a tropical storm of the 1971 West Pacific season. It was tracked from July 4, 1971 to July 10, 1971, about 7 days, and covered 3,630 miles.
At its peak it had winds of 70 mph (110 km/h) and a lowest pressure of 990 mb.
Its closest pass to a major city was 3 miles from Saitama, Japan.
- Peak wind
- 70 mph
- Lowest pressure
- 990 mb
- Strongest
- Tropical storm
- Duration
- 7 days
- Track length
- 3,630 mi
- Energy (ACE)
- 3.0
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Closest pass to major cities
| City | Closest pass |
|---|---|
| Saitama, Japan | 3 mi (5 km) |
| Suginami, Japan | 6 mi (10 km) |
| Hachiōji, Japan | 7 mi (11 km) |
| Hamamatsu, Japan | 9 mi (15 km) |
| Sagamihara, Japan | 10 mi (16 km) |
| Aihara, Japan | 11 mi (17 km) |
| Kawaguchi, Japan | 11 mi (17 km) |
How it compares
- Peak winds: 1326th highest of 2,271 West Pacific storms on record, tied with Tropical Storm Mun (2025), Tropical Storm Prapiroon (2024), Tropical Storm Damrey (2023) and 94 more.
- Lowest pressure: 1487th lowest of 2,047 West Pacific storms with a recorded pressure, tied with Tropical Storm Etau (2026), Tropical Depression Maliksi (2024), Tropical Storm Jangmi (2020) and 91 more.
- Energy: 1% of the 1971 West Pacific season's ACE.