The Bureau of Meteorology has recently announced a third La Niña, which may mean increased rains and risks of flooding on already saturated lands.

A triple La Niña is not unprecedented, with two former examples occurring in 1998–2001 and 1973–1976.

Bill Woods is joined by Dr Andrea Taschetto, climate scientist and Associate Professor at UNSW Science’s Climate Change Research Centre, to discuss the genesis of La Niñas, the historical precedents of triple events and the consequences for flooding.

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