Huge storm to unleash across 4000km of Australia

·3-min read

It might be time to invest in a sturdy umbrella, with two thirds of Australia set to be smashed with massive amounts of rain in the next few days.

Bands of heavy rains are predicted to stretch 4000km around the country, with severe flood and thunderstorm warnings issued across eastern parts of the country.

"Essentially [it's] just one big band of moisture stretching from the NT through Queensland, New South Wales actually down through Victoria and off the east coast, almost across to New Zealand," Tom Hough from Weatherzone told Yahoo News Australia.

Pedestrians walk past the Sydney Harbour Bridge during wet weather in Sydney, Wednesday, November 10, 2021.
Rain is set to drench more than half of Australia in the coming days. Source: AAP Image

The rain is set to fall over the next 24 hours, although it's not predicted to fall all at once.

"We have scattered isolated thunderstorms stretching from almost Kimberley far northern border of the NT, all the way around across northern NT [then] stretching through Queensland and then down through New South Wales as well," Mr Hough explained.

"It's not one consistent, big band of rain. It's kind of broken up but it does stretch that entire region."

Flood warnings in several areas of the country

The Bureau of Meteorology has warned almost every state will be seeing some rain, which will hopefully ease on Monday.

Agata Imielska from BoM said that although some areas may not seem like they are receiving much rain, catchments are already nearing full from previous weeks' wet weather.

A car is seen driving through flood waters at a farm at Bedgerabong during a visit to the flood affected town of Forbes, NSW, Thursday, November 18, 2021.
Parts of the NSW central west town of Forbes were flooded last week, due to major flooding on the Lachlan River. Source: AAP Image

"Some areas might not seem like that much rainfall falling but when things are wet and catchments are wet — especially when the rain falls in a short period of time — it really changes conditions quite rapidly," Ms Imielska told Yahoo News Australia.

"In terms of catchment — because things are wet — we are we do have a number of flood warnings current across parts of Victoria, quite a large area across New South Wales and Queensland, especially."

La Niña weather event declared

The Bureau of Meteorology officially declared a La Niña event on Tuesday.

According to BoM, in a La Niña event rainfall becomes focused in the western tropical Pacific which leads to a wetter than normal period for eastern, northern and central parts of Australia.

BoM said the La Niña is likely to persist until at least the end of January 2022.

“La Niña also increases the chance of cooler than average daytime temperatures for large parts of Australia and can increase the number of tropical cyclones that form," Andrew Watkins, the Bureau of Meteorology's head of operational climate services said in a press conference on Tuesday.

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