myAIPMA visual story of the events that led to the worst flooding in Lismore (NSW, Australia) in February 2022. Over a period of four days leading up to the disaster, three rain episodes occurred. Under usual conditions each would have generated a moderate flood, but cumulatively they created a catastrophe, particularly the last downpour, when freezing raindrops described as the size of a small fist fell with ferocity. In the official warnings and orders, issued by the State Emergency Service, together with the Bureau of Meteorology, there was no indication of the potential scale of this event.
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