Updated
The gates of Townsville’s dam have opened to their full setting, with the city council warning several suburbs should prepare for imminent flooding from a rapidly rising Ross River.
Key points:
- Townsville sets a new seven-day rainfall record as flood emergency continues
- The opening of the spillway releases about 1,900 cubic metres of water per second
- Flooding from the dam release could affect 21 suburbs
The Ross River Dam will release approximately 1,900 cubic metres of water per second.
The council says dangerous and high-velocity flows will occur and residents in the suburbs of Rosslea, Hermit Park, Railway Estate, Townsville City, Oonoonba, Idalia, Cluden, West End, Rowes Bay, Garbutt, Aitkenvale, Cranbrook, Currajong, Mysterton, Pimlico, Mundingburra, Douglas, Annandale, Kirwan, Thuringowa Central and South Townsville areas should prepare for imminent flooding.
The council had earlier urged residents to move away from riverbanks and get to higher ground before 8:30pm.
Queensland police said dangerous and high-velocity flows posed a risk to life, with conditions changing rapidly.
Townsville Mayor Jenny Hill said earlier that when the dam level hit 43 metres, the gates over the spillway would open automatically.
“The inundation will vary from area to area — some areas may only see a small amount go through their property, while other areas closer to the mouth of Ross River will see much larger inundation,” she said.
‘Tough night’ ahead
Premier Annastacia Palaszczuk toured the area on Sunday, saying it was “just torrential rain up here”.
“There has never been rain like this and the dam is going to get all the catchments of further water coming in, so we need everyone to take care,” she said.
“We’re not out of this yet — it’s not just the next 24 hours — this is going to go on for many days to come.
“But the concern tonight of course is when those gates open — those low-lying areas — so please everybody listen to the alerts.
“This is going to be a tough night — torrential conditions, the rain is coming down, the wind is gusty, it’s not a night to be out on the road at all, but we need people to be safe.”
SES North Queensland regional manager Daryl Camp said rescue services were ready to help anyone.
“We have pre-positioned resources all around the city so that we can still respond — fire and rescue, swift-water and rural fire — all over Townsville, so it doesn’t matter where you are, we can still offer a response.”
The Townsville Airport has been shut for safety reasons as the city experiences the unprecedented flood disaster.
All flights in and out of the north Queensland city have been cancelled, with diversions for any flights due to land.
Heavy rainfall and destructive winds predicted
The Bureau of Meteorology (BOM) issued a severe weather warning at 7:37pm Sunday predicting heavy rainfall, destructive winds and significant flash flooding between Ingham and Bowen, potentially extending as far south as Mackay from Monday.
BOM said the monsoon trough was expected to shift slowly south over the next day or two to extend from Bowen, west to Hughenden and into the Gulf Country.
Further heavy rainfall has been predicted for already saturated catchments in the area for the week ahead.
BOM forecaster Dean Narramore said at 11:30am Sunday, there had been some extraordinary rainfall numbers coming in for the Townsville area, with a number of locations receiving over a metre of rain over in the last seven days.
“Particularly a number of locations to the west of Townsville where we’ve seen 1.4 to 1.6 metres of rain — for some locations this is approaching their yearly average in just a week,” Mr Narramore said.
Earlier on Sunday, BOM state manager Bruce Gunn said tornado-strength winds were possible along the north Queensland coast during the day.
Mr Gunn also said six-hour rain totals of 150-200 millimetres were predicted along the coast from Ingham to Bowen during Sunday, accompanied by strong wind gusts.
Townsville disaster coordinator Assistant Chief Superintendent Steve Munro said there were 82,000 houses in Townsville and flood modelling predicted up to a quarter would be affected by flooding in the worst-case scenario.
“At the moment, we have probably got 400, 500 [homes] affected [by flooding],” he said.
“The modelling says what it is going to say — it could move up to the 10,000, 20,000 [homes]. We don’t want to get to that stage [but] we can’t control that.”
Queensland Education Minister Grace Grace has confirmed all state schools in Townsville and surrounding areas will remain closed on Monday.
Ms Grace said the decision to close all state schools in the flood zone had been made in the interests of the safety and welfare of staff, students and school communities.
Heavy falls over Ingham
Queensland Fire and Emergency Services (QFES) chief superintendent Lance Duncan said swift water specialists remained on alert, with warnings of more torrential rain and flash flooding between Ingham, Townsville and Bowen over the next two days.
“QFES has assisted in 220 relocations of people from their residences,” he said.
“The SES has received about 570 requests for assistance and that’s just over the last 24 hours and working with the Defence Force too, the SES [distributing] 20,000 sandbags in the Townsville area.”
Meanwhile, trucks are backed up for kilometres at Cardwell in far north Queensland waiting for the Bruce Highway to reopen.
The Bruce Highway is closed at Arnot Creek, about 125 kilometres north of Townsville, and at several spots near Ingham.
Authorities are stopping drivers who are trying to head south at Cardwell, with an increasing number of travellers and tourists stuck in the small coastal town.
Some truck drivers like Andrew Kmet are not only concerned for their deliveries but also for their families.
“We live at Bushland Beach in Townsville and my wife Tamara is with my four children aged between three and six years old,” he said.
“I just want to get home, sandbag it, and make sure everything is alright.
“I did deliveries in Cairns and here last night and they closed it shortly after.
“My main problem is being stopped where I know the water isn’t even coming up to my diffs and I can get through, but they won’t let me.”
The highway has been closed at Arnot Creek since about 11:30pm on Saturday, and with more rain forecast to hit the region on Sunday and Monday, it remains uncertain when it will reopen.
Police remain on the other side of the road closures to deter anyone who might take the risk.
There have also been more falls in western Queensland.
Julius Dam near Mount Isa in the state’s north-west received 199mm in the past 24 hours.
Mount Isa and Cloncurry have received 50 to 80mm and further heavy falls are expected today and tomorrow.
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