NSW wild weather: dam spill heightens flood threat as storm wreaks havoc

Heavy conditions expected to continue along parts of the east coast on Thursday

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Water flowing out of Australia’s largest urban water supply will add to the risk of flooding after a damaging and complex low-pressure system caused widespread havoc.

Warragamba Dam, west of Sydney, was expected to begin a “moderate spill” overnight into Thursday after days of heavy rain, WaterNSW said.

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