Elements of Queensland have been positioned on excessive alert for extreme climate and widespread flooding.
The Bureau of Meteorology this afternoon warned "average to main (flooding) is probably going" within the state's north and west, triggered by predictions of record-breaking rain.
The worst of the moist climate occasion is anticipated to hit Tuesday evening and affect areas from Townsville in North Queensland, south to the Huge Bay area.
Areas within the central west equivalent to Longreach and Barcaldine, already moist from the Anzac Day lengthy weekend climate occasion, are additionally within the firing line.
A extreme climate warning has been issued for Longreach, with heavy rain anticipated to start tonight, earlier than transferring eastward late tomorrow afternoon.
"Heavy rainfall is anticipated to develop this night all through the Central and Northern inside," the bureau stated.
"Vital flooding is probably going."
Queensland Premier Annastacia Palaszczuk warned residents to organize for the rain and comply with security warnings.
"Cities equivalent to Longreach might expertise 5 to 10 instances their regular Could rainfall," Palaszczuk stated.
Bureau meteorologist Jackson Browne stated predictions had been "conservative" and extremely uncommon for the outback area.
"The accountable character is a big high-pressure system within the Tasman Sea," he stated.
"And that is drawing an enormous north-easterly fetch of moisture down from the Solomon Islands."
Browne stated the system would shift towards the coast tomorrow.
As much as 400mm of rain might fall on elements of the coast in simply 48 hours, with the SES making ready for emergency conditions.
The state's south-east is just not set to see as a lot rain, however a extreme wind warning is in place for the area.
The Sunshine Coast can be bracing for a thunderstorm and as much as 90mm of rain.
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Cyclone forming off Western Australia
Western Australia can be making ready for a deluge.
Weatherzone says a late season tropical cyclone has fashioned over the Indian Ocean, which is able to see rain fall over WA later this week.
Cyclone Karim strengthened to a class two system final evening.
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(Weatherzone)
Regardless of it being the cyclone low season, modelling reveals elements of the state might obtain 30mm of rain.
"Australia's tropical cyclone season formally ended greater than every week in the past on April 30," Weatherzone defined.
"Nevertheless, unusually heat water over the jap Indian Ocean has helped spawn an out-of-season tropical cyclone.
"Showers will begin to improve over the west coast of WA from late Wednesday, earlier than rain turns into heavier and extra widespread on Thursday into Friday."
The low strain system is just not anticipated to make landfall.