The Bureau of Meteorology has forecast a potential storm for Sydney tomorrow, followed by showers of rain all through to next Monday.
Rain is also forecast for Melbourne on Wednesday and Thursday, and for Brisbane later in the week.
It follows a weekend of intense rain across parts of the eastern seaboard, including falls of 100mm on the Gold Coast, Tweed Heads, and parts of Tasmania.
“Steering winds are winds at an elevation of about 3000 metres which direct the movement of weather systems,” Weatherzone’s Anthony Sharwood wrote.
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“As steering winds from the west pick up at mid-levels of the atmosphere this week, the extra energy and wind shear will likely make storms more severe as the next trough moves through.”
Weatherzone predicted Wedneday afternoon through to Thursday morning as the most dangerous storm period, including for Sydney, Melbourne, and Canberra.
The weather site forecast potential dangerous wind gusts as well as potential flooding.