2010–11 Australian region cyclone season
The 2010–11 Australian region cyclone season was a near average tropical cyclone season, with eleven tropical cyclones forming compared to an average of 12. The season was also the costliest recorded in the Australian region basin, with a total of $3.62 billion (2011 USD) in damages, mostly from the destructive Cyclone Yasi.
Source: Wikipedia — 2010–11 Australian region cyclone season (CC BY-SA 4.0)