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Science
Tess Parker, Research Fellow, Monash University

Planetary waves, cut-off lows and blocking highs: what's behind record floods across the Southern Hemisphere?

From February to May 2022, many places in Queensland, New South Wales and Western Australia have seen record-breaking daily and monthly rainfall. Repeated periods of persistent and intense rain have caused devastating and widespread floods.

In Queensland and New South Wales alone, the floods and storms caused an estimated AU$3.35 billion in insured losses, making these the costliest floods in Australia’s history and the fifth most costly natural disaster. More than 20 people lost their lives.


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