Storm history › South Indian Ocean › 1999 season
Tropical Storm Cathy (1999)
Cathy was a tropical storm of the 1999 South Indian Ocean season. It was tracked from December 22, 1998 to December 30, 1998, about 8 days, and covered 1,536 miles.
At its peak it had winds of 45 mph (75 km/h) and a lowest pressure of 991 mb.
- Peak wind
- 45 mph
- Lowest pressure
- 991 mb
- Strongest
- Tropical storm
- Duration
- 8 days
- Track length
- 1,536 mi
- Energy (ACE)
- 1.6
DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5
How it compares
- Peak winds: 712th highest of 951 South Indian Ocean storms on record, tied with Tropical Storm Juluka (2026), Tropical Storm Balita (2023), Tropical Storm Jeruto (2020) and 40 more.
- Lowest pressure: 761st lowest of 1,029 South Indian Ocean storms with a recorded pressure, tied with Tropical Storm Dianne (2025), Tropical Storm Lincoln (2024), Tropical Storm Esami (2020) and 26 more.
- Energy: 1% of the 1999 South Indian Ocean season's ACE.