Storm history › East Pacific › 1964 season
Tropical Storm Rosalyn / Roslyn (1964)
Rosalyn / Roslyn was a tropical storm of the 1964 East Pacific season. It was tracked from August 21, 1964 to August 22, 1964, about 2 days, and covered 328 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
- 2 days
- Track length
- 328 mi
- Energy (ACE)
- 1.4
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: 7% of the 1964 East Pacific season's ACE.