Storm history › South Indian Ocean › 1978 season
Tropical Storm Irena (1978)
Irena was a tropical storm of the 1978 South Indian Ocean season. It was tracked from February 7, 1978 to February 14, 1978, about 7 days, and covered 1,441 miles.
At its peak it had winds of 60 mph (95 km/h) and a lowest pressure of 976 mb.
Its closest pass to a major city was 105 miles from Beira, Mozambique.
- Peak wind
- 60 mph
- Lowest pressure
- 976 mb
- Strongest
- Tropical storm
- Duration
- 7 days
- Track length
- 1,441 mi
- Energy (ACE)
- 0.7
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
Closest pass to major cities
| City | Closest pass |
|---|---|
| Beira, Mozambique | 105 mi (169 km) |
How it compares
- Peak winds: 545th highest of 951 South Indian Ocean storms on record, tied with Tropical Storm Clotilda (1987), Tropical Storm Nadine (1978).
- Lowest pressure: 474th lowest of 1,029 South Indian Ocean storms with a recorded pressure, tied with Cyclone Clovis (2007), Cyclone Arola (2005), Cyclone Hennie (2005) and 29 more.
- Energy: 1% of the 1978 South Indian Ocean season's ACE.