A rare and compelling drainage feature at a reservoir is triggered for the first time in years by high water levels.

A high pressure system with a ridge over the Tasman Sea extends into far northeastern New South Wales while a trough lies in the state's west, triggering widespread showers and thunderstorms.

A trough lies near the southern and central coast while another trough lies in the west and heading north, bringing widespread showers or rain and thunderstorms. These features will gradually weaken ...