El Niño

Murray-Darling

The absence of climate drivers – specifically, the Indian Ocean Dipole and La Niña – explains why Australia has gone so long without heavy rains.

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Australian researchers, including from the UNSW-based ARC Centre of Excellence for Climate System Science, have produced a remarkable high-resolution animation of the largest El Niño ever recorded.

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Global temperatures for February showed a disturbing and unprecedented upward spike, write Steve Sherwood and Stefan Rahmstorf.

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This year’s El Niño, combined with the Indian Ocean Diople, could be a whopper, writes Sarah Perkins-Kirkpatrick, but we still don’t know exactly what weather the complex influences might produce.

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The link between El Niño and heatwaves is complicated. But what we can say is this summer's strong El Niño conditions are likely to bring more heatwaves to much of Australia's north and east, writes Sarah Perkins.

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The projected upsurge of severe El Niño and La Niña events will cause an increase in storms – and extreme coastal flooding and erosion – in populated regions across the Pacific, a multi-agency study has found. 

El Niño

The coming El Niño and La Niña double bill could be the strongest since 1998, affecting a vast swathe of the planet from Africa, through Australasia and all the way to the Americas, write Wenju Cai, Agus Santoso and Guojian Wang.

El Niño

This impending El Niño could mark the switch into a new phase that would see global warming accelerate, write Agus Santoso, Andréa S. Taschetto, Matthew England and Shayne McGregor.

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When a positive Indian Ocean dipole is coupled with an El Niño event, rainfall decreases dramatically across Australia, and such an event could be on the way, write Agus Santoso and Wenju Cai.

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It is only May and summer is seven months away, but climate researchers are seeing the beginnings of what could be the most powerful El Niño  event in close to two decades.

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