Tropical cyclone could become Category 4 in Western Australia - 9News

The Bureau of Meteorology said a tropical low is moving south off the Kimberley coastline and is at risk of forming a cyclone tonight.

Senior Meteorologist Dean Narramore said the full impacts of the tropical cyclone will be felt later tonight or in the early hours of tomorrow.

This image shows a dense white cloud in Western Australia's north which is the tropical low. (Bureau of Meteorology)

The tropical low is currently driving wind gusts of up to 85km/h while it is 620km north-east of Broome.

It is developing more slowly, the bureau said, but there is still a high risk it will become a cyclone today and intensify over coming days.

"The tropical low continues to develop at a slow rate but may still become a cyclone tonight," the bureau said.

"It is then expected to intensify further over the next two days as it moves along a general west-south-west track, parallel to the Kimberley coast."

Narramore said the tropical cyclone will track parallel to the coast on Tuesday and Wednesday.

But the weather system is forecast to escalate on Thursday as the tropical low turns south to the Pilbara coast and crosses to Port Hedland and Broome where it could become a category 4 system.

"A category 4 system, we're talking winds in excess of 200km/h and 250km/h in the core," he said.

"It will cause very heavy rainfall which is expected to cause riverine and flash flooding.

"Very dangerous conditions forming up there on Thursday night through to Friday morning."

The tropical low is expected to become a cyclone today. (Bureau of Meteorology)

Wind gusts up to 90km/h and heavy rainfall may develop between Cape Leveque and north of Broome on Wednesday.

Thunderstorms with heavy rainfall are expected to pass over the northern Kimberley region today and tomorrow.

There are also expected to be abnormally high tides on the Kimberley coast between Kalumburu and Kuri Bay today and tomorrow.

"In some locations, the tide may be close to the highest astronomical tide of the year," the bureau said.

Communities along the west Kimberley coast should start to prepare for extreme weather conditions, the bureau added.

Residents are urged to keep up with weather warnings on the bureau's website.

It would be the third cyclone to hit Australia this year after Cyclone Ellie caused chaos in Western Australia's Kimberley region with intense flooding and destruction and Cyclone Gabrielle sweeping across Queensland's north.

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2023-04-10 04:31:57Z
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