Storm history › South Pacific › 1978 season
Tropical Storm Diana (1978)
Diana was a tropical storm of the 1978 South Pacific season. It was tracked from February 15, 1978 to February 22, 1978, about 7 days, and covered 1,733 miles.
At its peak it had winds of 60 mph (95 km/h) and a lowest pressure of 980 mb.
- Peak wind
- 60 mph
- Lowest pressure
- 980 mb
- Strongest
- Tropical storm
- Duration
- 7 days
- Track length
- 1,733 mi
- Energy (ACE)
- 3.8
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 388th highest of 671 South Pacific storms on record, tied with Tropical Storm Osai (2024), Tropical Storm Paul (2024), Tropical Storm Hale (2023) and 42 more.
- Lowest pressure: 322nd lowest of 844 South Pacific storms with a recorded pressure, tied with Cyclone Urmil (2026), Cyclone Seru (2025), Cyclone Ruby (2022) and 57 more.
- Energy: 6% of the 1978 South Pacific season's ACE.