On the 9th and 10th, a broad band of heavy rain with embedded thunderstorms moved across south-eastern Australia impacting parts of Victoria, New South Wales, Queensland and the Northern Territory.

There were thunderstorms, some severe, across Queensland and parts of the New South Wales in a moist easterly airflow.

Increased rainfall and storm activity across the tropical north signalled the approaching monsoon trough; bringing heavy rain, thunderstorms, gusty winds and cooler conditions to the tropical north.

Rainfall totals greater than 100 mm were recorded in large parts of northern Australia. Some regions in northern Queensland and the western Top End (Northern Territory) received more than 200 mm for the week, while an area on the North Tropical Coast (Queensland) received more than 400 mm.

Weekly rainfall totals between 50 and 100 mm were recorded in parts of Kimberley (Western Australia), northern parts of the Northern Territory, northern Queensland and some areas in southern parts of the state, pockets of eastern New South Wales and eastern Victoria.

The highest weekly total was 798.0 mm at Marco Street Alert in Queensland.

The highest daily rainfall total during the week was 334.4 mm at Port Keats Airport (Wadeye), Northern Territory, in the 24 hours to 9am on 15 January.