Storm history › South Indian Ocean › 1991 season
Cyclone Alison (1991)
Alison was a Category 1 cyclone of the 1991 South Indian Ocean season. It was tracked from January 8, 1991 to January 18, 1991, about 11 days, and covered 1,885 miles.
At its peak it had winds of 75 mph (120 km/h) and a lowest pressure of 1002 mb.
- Peak wind
- 75 mph
- Lowest pressure
- 1002 mb
- Strongest
- Category 1 cyclone
- Duration
- 11 days
- Track length
- 1,885 mi
- Energy (ACE)
- 5.0
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 390th highest of 951 South Indian Ocean storms on record, tied with Cyclone Alvaro (2024), Tropical Storm Filipo (2024), Cyclone Ialy (2024) and 46 more.
- Lowest pressure: 1018th lowest of 1,029 South Indian Ocean storms with a recorded pressure.
- Energy: 5% of the 1991 South Indian Ocean season's ACE.