Coastal Flood Advisory

Cyclone-ravaged Western Australia may endure another strike as storm brews later this week

By Kristina Pydynowski, AccuWeather senior meteorologist
By Eric Leister, AccuWeather senior meteorologist
April 03, 2019, 7:55:48 AM EDT

Cyclones Trevor and Veronica unleashed destructive flooding on parts of Australia in recent weeks and a new tropical threat may take shape later this week.

While the tropics around Australia were tranquil during the first few days of April, that is expected to change later this week as a tropical cyclone attempts to form in the Timor Sea.

Areas that were ravaged by former Cyclone Veronica in late March will once again be at risk for heavy rainfall and damaging winds.

Aussie 4/2

AccuWeather meteorologists have high confidence that a tropical cyclone will form, but that may not happen until at least Thursday or Friday. The name Wallace will be given to the next tropical cyclone to form in the Australia Basin.

Once this tropical threat takes shape it may rapidly intensify into a dangerous tropical cyclone off Western Australia's northern coastline.

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Seas will build as the cyclone takes shape, creating dangers for boaters and swimmers. Downpours may also stream onto the coast of the Northern Territory's Top End region each day this week.

Veronica March 29

In this image made off video, a car drives through flooded road in Port Hedland, Western Australia, on March 25, 2019, as Cyclone Veronica lashed the area. (The Australian Broadcasting Corp via AP)

While the worst impacts from the potential cyclone are expected to remain offshore through this weekend, a turn toward the south next week may put parts of the Pilbara Coast at risk for another round of dangerous flooding and damaging winds.

AccuWeather Senior Meteorologist Jason Nicholls noted that, "There is still some uncertainty on the exact track and if there will be a landfall." He adds, "The most likely scenario brings impacts for the Pilbara Coast and perhaps the Gascoyne Coast."

The most likely time period for landfall would be from Sunday night into Tuesday between Pardoo and Gnoorea. This includes the Port Hedland area.

These areas will be at risk for a period of flooding rainfall, locally damaging winds, rough seas and coastal flooding.

If the cyclone tracks farther to the west it would put locations from Mardie to Exmouth at greater risk for severe impacts.

Nicholls also said that there are indications this active pattern will continue with another system late next week.

Now is a good time to review what preparations would need to be made should a cyclone or flooding rain threaten your area.

Download the free AccuWeather app to remain aware of any tropical threats in your community.

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