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La Niña 'over' but Australia not in the clear yet

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La Niña, the weather event behind increased rainfall and flash flooding in Australia, has officially ended, according to meteorologists.

The Bureau of Meteorology (BoM) has declared an end to the weather pattern for 2021-22 and a shift to "La Niña watch".

BoM head of long-range forecasting Dr Andrew Watkins said this means there is about a 50 per cent chance of La Niña re-forming sometime later in the year.

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"We've made this change because out in the Pacific Ocean, we've seen some changes in the sea surface temperatures (as well as) the temperatures beneath the surface and the trade winds," Watkins said.

Watkins said this indicated Australia is moving back into "neutral conditions".

"But we are also aware that the models are suggesting it could go back into La Niña later in the year and hence we've moved to La Niña watch," he said.

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Wetter than average conditions are expected to continue across Australia in the coming months.

Several other climate drivers are affecting the country, Watkins said.

This includes a developing Indian dipole and warm temperatures in oceans around northern Australia and off Western Australia.

Watkins said most of the international models also suggest above-average rainfall for the coming seasons.



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