Hurricane History Map

2011 South Pacific and Australian region season

9 storms formed in the South Pacific and Australian region basin in 2011, from 23 December 2010 to 2 April 2011.

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Years2011
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 2011 season in numbers

The record holds 9 storms for the 2011 South Pacific and Australian region season, of which 9 had names.9 reached tropical storm strength (34 knots or more), 5 reached cyclone strength (category 1 or more) and 3 were major (category 3 or more).

  • 9storms
  • 9tropical storm strength or more
  • 5cyclone strength or more
  • 3major (category 3 to 5)
  • 78accumulated 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 2011

  • Yasi (2011)28 January 2011 to 6 February 2011, peak Category 4 (135 kt), 930 hPa
  • Wilma (2011)20 January 2011 to 30 January 2011, peak Category 4 (115 kt), 939 hPa
  • Atu (2011)16 February 2011 to 27 February 2011, peak Category 4 (115 kt), 940 hPa
  • Zelia (2011)12 January 2011 to 18 January 2011, peak Category 2 (95 kt), 944 hPa
  • Bune (2011)22 March 2011 to 2 April 2011, peak Category 1 (75 kt), 967 hPa

All 9 storms of 2011

StormPeak
Tasha Tropical storm
Vania Tropical storm
Zelia Category 2
Wilma Category 4
Anthony Tropical storm
Yasi Category 4
Zaka Tropical storm
Atu Category 4
Bune Category 1

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Other basins in 2011

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