Was Yasi Australia's biggest cyclone?
Written by Michele Dale   

Severe Tropical Cyclone Yasi, which hit North Queensland last week, was one of the more intense cyclones in Australia's recent history.

A massive category 5 storm over 600 kilometres wide, it clocked wind speeds of 295 kilometres per hour at its greatest intensity.  But it was no super-cyclone, nor was it the biggest cyclone Australia has ever seen, says Dr Jeff Kepert, head of the High Impact Weather Research Team in the Bureau of Meteorology.

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