Water NSW chief executive Andrew George announces that Warragamba Dam, which supplies Sydney's drinking water, is expected to spill once the rain subsides. The dam is currently at 96.3% capacity and requires about 90 millimetres of rain to fill and spill. The Bureau of Meteorology predicts 100 to 150 millimetres of rainfall over the dam's catchment. Premier Chris Minns assures that the government and SES are prepared for a controlled spillage if necessary.
Joining the premier is Water NSW chief executive Andrew George, who says Warragamba Dam – which supplies much of Sydney ’s drinking water – is expected to spill on Monday, once the rain moves on.
Premier Chris Minns said the government and SES was remaining vigilant, and there were processes in place for a controlled spillage of Warragamba “if it hits a certain amount of rainfall”.“Any local in the Hawkesbury-Nepean catchment will tell you is that you’ve got ... that flood independent to what happens at Warragamba Dam,” he said. “I’ve got to make decisions about what’s in the best interests of those communities.
Premier Chris Minns is here alongside SES Commissioner Carlene York and the Bureau of Meteorology’s Steve Bernasconi. The severe weather warning, issued by the Bureau of Meteorology this morning, spans the area from Morisset, south of Newcastle, all the way to Bega in the South. The area also includes a fair chunk of the Central Tablelands just east of Bathurst, and takes in the area around Goulburn along the Hume Highway.There are gale warnings for Sydney enclosed waters, Macquarie Coast, Hunter Coast, Sydney Coast and Illawarra Coast, and a strong wind warning for the Coffs Coast and Batemans Coast.
It occurs when a cool pool of air converges with a moisture-rich coastal trough supercharged by warmer ocean temperatures.The convergence of the two weather systems is a recipe for wild weather as warmer ocean temperatures this time of year cause more evaporation, increasing the amount of water in the atmosphere.
Warragamba Dam Sydney Drinking Water Rainfall Spillage Vigilance Catchment Government SES
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