Despite popular belief on the contrary, destructive tornadoes do occur in Australia from time to time. Approximately 20 tornadoes are thought to occur in Australia each year.
Grazulis, Thomas P. (1993). Significant Tornadoes 1680–1991, A Chronology and Analysis of Events. St. Johnsbury, VT: The Tornado Project of Environmental Films. ISBN 1-879362-03-1