Hurricane History Map

2009 South Pacific and Australian region season

10 storms formed in the South Pacific and Australian region basin in 2009, from 21 December 2008 to 6 April 2009.

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Years2009
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 2009 season in numbers

The record holds 10 storms for the 2009 South Pacific and Australian region season, of which 9 had names.10 reached tropical storm strength (34 knots or more), 1 reached cyclone strength (category 1 or more) and 1 were major (category 3 or more).

  • 10storms
  • 10tropical storm strength or more
  • 1cyclone strength or more
  • 1major (category 3 to 5)
  • 34accumulated 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 2009

  • Hamish (2009)4 March 2009 to 14 March 2009, peak Category 4 (135 kt), 924 hPa
  • Joni (2009)10 March 2009 to 14 March 2009, peak Tropical storm (55 kt), 980 hPa
  • Lin (2009)2 April 2009 to 6 April 2009, peak Tropical storm (55 kt), 975 hPa
  • Ken (2009)16 March 2009 to 20 March 2009, peak Tropical storm (50 kt), 985 hPa
  • Jasper (2009)22 March 2009 to 25 March 2009, peak Tropical storm (45 kt), 980 hPa

All 10 storms of 2009

StormPeak
Unnamed storm Tropical storm
Charlotte Tropical storm
Hettie Tropical storm
Ellie Tropical storm
Innis Tropical storm
Hamish Category 4
Joni Tropical storm
Ken Tropical storm
Jasper Tropical storm
Lin Tropical storm

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Other basins in 2009

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