Storm history › South Indian Ocean › 1999 season
Cyclone Alison (1999)
Alison was a Category 1 cyclone of the 1999 South Indian Ocean season. It was tracked from November 6, 1998 to November 13, 1998, about 7 days, and covered 1,371 miles.
At its peak it had winds of 80 mph (130 km/h) and a lowest pressure of 955 mb.
- Peak wind
- 80 mph
- Lowest pressure
- 955 mb
- Strongest
- Category 1 cyclone
- Duration
- 7 days
- Track length
- 1,371 mi
- Energy (ACE)
- 6.9
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 363rd highest of 951 South Indian Ocean storms on record, tied with Cyclone Honde (2025), Cyclone Chalane (2021), Cyclone Flamboyan (2018) and 23 more.
- Lowest pressure: 271st lowest of 1,029 South Indian Ocean storms with a recorded pressure, tied with Cyclone Belna (2020), Cyclone Bindu (2001), Cyclone Dera (2001) and 10 more.
- Energy: 5% of the 1999 South Indian Ocean season's ACE.