Forecasters have warned of a high risk of widespread flooding as multiple weather systems move across Australia’s New South Wales (NSW), bringing several days of heavy rain to already saturated watersheds. I’m here.
Three rain systems continue to bring heavy rains to much of the east this week, with showers and thunderstorms already hitting parts of the interior of the state.
“This rainfall could cause widespread flooding in many rivers in New South Wales,” said Dean Naramore of the Bureau of Meteorology on Tuesday.
SES Assistant Commissioner Sean Kearns said he was very concerned about the western and southwestern parts of the state.
“This will affect communities that have been affected by flooding in the past month or two,” he told ABC TV on Wednesday.
“What we’re going to see is a significant amount of rain, which can amount to monthly rainfall in just a few days, if not more.”
Areas of particular concern are Gunnedah, Wee Waa, Warren, Bathurst, Forbes, Gundagai, Tumut and Wagga Wagga.
School holidays mean a lot of people travel to unfamiliar areas.
“So be very careful with the conditions, be very careful with caravan parks and campgrounds, they are often by rivers,” he said.
Kearns also advised racers heading to Mount Panorama for this weekend’s Bathurst 1000 race to remain vigilant and follow SES directives, as the Macquarie River could experience moderate to severe flooding. warned to follow.
The warning comes as NSW enters the La Niña season for the third year in a row.
Severe waterfalls and thunderstorms with risk of flash flooding are expected on the western part of the Riverina and the Central West Slopes and Plains on Wednesday as the valley drags moisture across the New South Wales interior.
A severe heavy rain warning covers much of the western part of the state, from Ninggan in the north central to Denilikin near the Victorian border to Broken Hill in the central west.
Inland towns under flood watch include Deniliquin, Griffith, Hay, Tiboobla, Cobah, Burke, Broken Hill, Wentworth, and Brewarina.
Total rainfall over a broad 6-hour period is 30-40 mm, with localized rainfall up to 60 mm.
The agency expects 50 to 70 mm of rain to collect on the gauge over a 24-hour period, with 100 mm in some areas.
Hazardous waves and swells are expected on Wednesday on the coasts of Macquarie, Hunter, Sydney, Illawarra, Batemans and Eden.
A second valley will bring storms, rain and thunderstorms across Queensland and southern Victoria from Thursday night through Friday.
Finally, a third rain system will hit southern Queensland, New South Wales and eastern Victoria on Saturday and Sunday.
Flood warnings are issued for the Namoy, Macquarie, Bogan, Lachlan, Murrumbidgee, Murray, Edward, Calgore, Billy, Bokara, Warrego, Paloo, Burwon, Darling, and Snowy rivers. , is currently in force in many inland watersheds.
Small to moderate flooding is expected in rivers near the coast, including the Hunter, Hawkesbury, Koro and Wollombi rivers, with flooding expected over the weekend.