Heavy rains are expected in Sydney, Illawarra, the south coast and the southern highlands on Saturday, the Meteorological Office says, warning of the possibility of up to 150 mm of rain in six hours.
In a warning issued early Saturday morning, the meteorological office said a weather system under development on Saturday is likely to be maintained all weekend “leading to widespread showers and heavy rains along parts of the east coast. of NSW “.
Accumulated rain over the next five days. Credit: Weather zone
“Total rainfall of six hours between 80 and 150 mm is possible.”
A wet weekend will possibly be followed by more rain early next week.
“A downhill on the east coast could form inside the trough early Monday and stay until Tuesday, which will prolong this major rain event for several days,” the warning said.
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Sudden flooding across the city is possible, with the office also issuing “low to high” flood monitoring for the Hawkesbury and Lower Nepean rivers, the Colo river, the Shoalhaven river and St George’s basin.
A minor flood warning has been issued for several other catchment areas, such as the Wollombi River and the Lower Hunter River, the Central Coast, Lake Macquarie, the Cooks River and the Georges and Woronora Rivers.