RNZ17 Jun, 2026 05:28 AM4 mins to readA Super El Niño is when ocean temperatures reach or exceed 2C above the long-term average. Photo / 123rfA Super El Niño is when ocean temperatures reach or exceed 2C above the long-term average. Photo / 123rfBy Kate Newton of RNZAn “unprecedented” El Niño could develop later this year, the country’s climate forecasting service says.Earth Sciences New Zealand (ESNZ) is holding off formally declaring an El Niño event but says that is likely to change within the next few weeks.
'Unprecedented' El Niño on the cards – could exceed previous events
Canterbury is already in a meteorological drought as conditions worsen.
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