2013 South-West Indian season

16 storms formed in the South-West Indian basin in 2013, from 10 October 2012 to 16 May 2013.

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Years2013
Ocean basin

Choosing a minimum category hides storms with no wind speed in the record. To see which storms have passed near you, search a town or ZIP code, or tap the map.

Key
  • Tropical depression Winds below 34 knots (39 mph)
  • Tropical storm 34 to 63 knots (39 to 73 mph)
  • Category 1 64 to 82 knots (74 to 95 mph)
  • Category 2 83 to 95 knots (96 to 110 mph)
  • Category 3 96 to 112 knots (111 to 129 mph), major
  • Category 4 113 to 136 knots (130 to 156 mph), major
  • Category 5 137 knots (157 mph) or more, major
  • Unknown intensity No wind speed in the record
  • Post-tropical Storm has become post-tropical (dashed line)

How to read the lines. Each line is the track of one storm, drawn through its six-hourly positions and coloured by its intensity at each point (the Saffir-Simpson scale), so a line changes colour as the storm strengthens or weakens. Tap a line for its details, or tap anywhere else to see which storms have passed nearby. Weaker storms appear as you zoom in. Hurricanes, typhoons and cyclones are the same kind of storm with different names in different oceans.

The 2013 season in numbers

The record holds 16 storms for the 2013 South-West Indian season, of which 15 had names.16 reached tropical storm strength (34 knots or more), 10 reached cyclone strength (category 1 or more) and 6 were major (category 3 or more).

  • 16storms
  • 16tropical storm strength or more
  • 10cyclone strength or more
  • 6major (category 3 to 5)
  • 121accumulated cyclone energy

Accumulated cyclone energy adds up the squared wind speed of every position of 34 knots or more, divided by 10,000. It is approximate here because the winds are 1-minute equivalents, and it is mostly useful for comparing seasons of one basin.

Strongest storms of 2013

  • Narelle (2013)5 January 2013 to 15 January 2013, peak Category 4 (120 kt), 930 hPa
  • Anais (2013)10 October 2012 to 19 October 2012, peak Category 4 (115 kt), 945 hPa
  • Claudia (2013)2 December 2012 to 13 December 2012, peak Category 4 (115 kt), 940 hPa
  • Felleng (2013)25 January 2013 to 5 February 2013, peak Category 4 (115 kt), 935 hPa
  • Haruna (2013)14 February 2013 to 28 February 2013, peak Category 3 (105 kt), 960 hPa

All 16 storms of 2013

StormPeak
Anais Category 4
Boldwin Tropical storm
Claudia Category 4
Mitchell Tropical storm
Dumile Category 1
Narelle Category 4
Emang Tropical storm
Peta Tropical storm
Felleng Category 4
Gino Category 2
Haruna Category 3
Unnamed storm Tropical storm
Rusty Category 3
Imelda Category 2
Victoria Category 1
Jamala Tropical storm

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Other basins in 2013

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