More flash flooding and severe weather warnings for NSW as heavy rain returns

Much of NSW to receive drenching over three days as Sydney's six-month rainfall total five times that of London

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Rain has returned to large swathes of New South Wales with multiple flash flooding and severe weather warnings in place over the next three days, as Sydney records five times as much rain as London in the past six months.

Six-hourly rainfall totals could reach 140mm in parts of the NSW south coast on Wednesday afternoon, according to the Bureau of Meteorology.