TC METRIC

South Indian Ocean Historical Tropical Cyclone Statistics

All columns are sortable.
Year Named Storms Named Storm Days Hurricanes Hurricanes Days Cat. 3+ Hurricanes Cat. 3+ Hurricanes Days Accumulated Cyclone Energy
1980 14 115 11 40 6 8.25 188.1
1981 12 56.5 6 20.25 5 3.75 86
1982 16 72.5 6 23 2 4.5 105.5
1983 9 36.25 4 4.75 0 0 38.2
1984 20 101 10 36.25 3 7.25 153.3
1985 20 97.25 8 16 2 4 112.7
1986 21 101.25 10 37 5 8.25 156.5
1987 11 59.5 4 7.75 0 0 54
1988 13 57.5 6 14 2 4.5 79
1989 17 90.5 13 43.75 6 10.75 172.1
1990 17 95.25 9 37 4 8.25 160.6
1991 14 72.5 6 21.75 2 4 108.5
1992 14 67.75 7 36.25 7 15.5 157.2
1993 12 57.25 6 18 2 4.5 87.4
1994 22 123.5 13 50.75 7 14.5 230.5
1995 14 79 10 34 7 10 141.8
1996 18 93.5 13 44.25 7 16 201.5
1997 20 137.75 12 42.5 5 13.75 213.3
1998 15 66.25 6 14 2 4 80.4
1999 20 84 10 30 6 14.5 154.7
2000 17 107 12 48 7 14 197.6
2001 14 57.5 9 26.25 4 6 102.8
2002 17 84 10 36.5 7 15.75 175.5
2003 18 83.75 10 36.5 5 13 157.6
2004 15 98.25 12 39.75 6 14.75 178.4
2005 18 67.75 7 26.75 4 11.75 130.8
2006 15 58 5 19.5 5 8.75 101.8
2007 14 78.75 11 38.25 8 13 160
2008 21 103 10 32.5 5 7.75 156.5
2009 18 62.25 7 14.5 4 5.5 81.6
2010 14 57.75 8 19.75 5 9 104.4
2011 12 46.75 5 10.25 1 0.75 53.9
2012 16 76 9 24.5 2 7.75 122.8
2013 16 69 10 30 6 7.25 120.7
2014 14 63.5 9 25.25 7 13.75 137.1
2015 16 67 8 27.5 5 10.75 130.4
2016 9 45.25 5 19 3 8.5 98.9
2017 11 47.5 5 9.25 2 2.5 61.8
2018 11 62.5 9 23.75 4 10.5 115.8
South Indian Ocean seasons are defined to start on July 1 of the previous year. For example, the 1980 season ran from July 1, 1979 through June 30, 1980.

Statistics calculated from Joint Typhoon Warning Center best tracks as archived in the International Best Track Archive for Climate Stewardship.
Available online here: