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'New El Nino' discovered south of equator
‘New El Nino’ discovered south of equator 22 July 2024 A small area of the southwestern Pacific Ocean, near New Zealand and Australia, can trigger temperature changes that affect the entire Southern Hemisphere, a new study has found. The new climate pattern, which shares some characteristics with the El Niño phenomenon, has been named the "Southern Hemisphere Circumpolar Wavenumber-4 Pattern." Unlike El Niño, which starts in the tropics, this new pattern begins in the mid-latitudes.
A small area of the southwestern Pacific Ocean, near New Zealand and Australia, can trigger temperature changes that affect the entire Southern Hemisphere, a new study has found. By analysing this simulated data, the team identified a recurring pattern of sea surface temperature variations circling the Southern Hemisphere. This pattern creates four alternating warm and cool areas in the oceans, forming a complete circle in the Southern Hemisphere.
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