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
| Storm | Peak |
|---|---|
| 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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