Eye of the Storm

Storm history › South Indian Ocean

1999 South Indian Ocean cyclone season

The 1999 South Indian Ocean season had 19 storms of tropical-storm strength or more, 9 of them cyclones and 5 major (Category 3 or stronger). One reached Category 5: Evrina / Frederic.

The first storm was tracked from July 20, 1998 and the last ended on April 25, 1999. The strongest by wind was Cyclone Evrina / Frederic (1999), at 160 mph (260 km/h). The season's accumulated cyclone energy (ACE) was 126.0.

Storms
19
Cyclones
9
Major
5
Category 5
1
ACE
126.0
Every storm of the season, coloured by strength.

DepressionTropical stormCat 1Cat 2Cat 3Cat 4Cat 5

Storms

StormDatesPeakPressureStrongest
Unnamed tropical storm 1, 1999 South Indian OceanJul 20 – Jul 2740 mph—Tropical storm
Unnamed tropical storm 2, 1999 South Indian OceanSep 27 – Oct 240 mph—Tropical storm
Tropical Storm ZeliaOct 6 – Oct 1050 mph990 mbTropical storm
Cyclone AlisonNov 6 – Nov 1380 mph955 mbCategory 1 cyclone
Cyclone BillyDec 1 – Dec 775 mph965 mbCategory 1 cyclone
Tropical Storm CathyDec 22 – Dec 3045 mph991 mbTropical storm
Unnamed storm 7, 1999 South Indian OceanJan 4 – Jan 6——Storm
Cyclone AldaJan 14 – Jan 1975 mph975 mbCategory 1 cyclone
Cyclone Birenda / DamienJan 21 – Feb 390 mph950 mbCategory 1 cyclone
Tropical Storm ChikitaJan 29 – Feb 545 mph990 mbTropical storm
Unnamed tropical storm 11, 1999 South Indian OceanFeb 2 – Feb 1145 mph—Tropical storm
Unnamed tropical storm 12, 1999 South Indian OceanFeb 11 – Feb 1750 mph994 mbTropical storm
Unnamed tropical depression 13, 1999 South Indian OceanFeb 24 – Mar 135 mph—Tropical depression
Cyclone DavinaMar 1 – Mar 19125 mph930 mbCategory 3 cyclone
Unnamed tropical storm 15, 1999 South Indian OceanMar 3 – Mar 1040 mph—Tropical storm
Unnamed tropical storm 16, 1999 South Indian OceanMar 11 – Mar 2140 mph995 mbTropical storm
Cyclone VanceMar 14 – Mar 23145 mph910 mbCategory 4 cyclone
Cyclone ElaineMar 15 – Mar 20115 mph945 mbCategory 3 cyclone
Unnamed storm 19, 1999 South Indian OceanMar 19 – Mar 21——Storm
Cyclone Evrina / FredericMar 25 – Apr 10160 mph920 mbCategory 5 cyclone
Cyclone GwendaApr 2 – Apr 8150 mph900 mbCategory 4 cyclone
Tropical Storm HamishApr 17 – Apr 2550 mph980 mbTropical storm