Storm history › East Pacific › 1981 season
Tropical Storm Irwin (1981)
Irwin was a tropical storm of the 1981 East Pacific season. It was tracked from August 27, 1981 to August 31, 1981, about 4 days, and covered 875 miles.
At its peak it had winds of 50 mph (85 km/h).
- Peak wind
- 50 mph
- Lowest pressure
- Not recorded
- Strongest
- Tropical storm
- Landfalls
- None recorded
- Duration
- 4 days
- Track length
- 875 mi
- Energy (ACE)
- 0.8
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 828th highest of 1,371 East Pacific storms on record, tied with Tropical Storm Moke (2026), Tropical Storm Julio (2026), Tropical Storm Keli (2025) and 158 more.
- Energy: 1% of the 1981 East Pacific season's ACE.