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Record-strength El Niño event
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- Background
Japan's weather agency declares El Niño conditions under way
On 10 June 2026 the Japan Meteorological Agency said El Niño had emerged, with sea surface temperatures off Peru running above normal.
- Background
Japan's weather agency reports record El Niño sea temperature anomaly for September
Japan's weather agency said the sea-surface temperature deviation off Peru in September was the largest since its records began.

El Niño hits a new record: waters off Peru ran 4.4°C above normal in October
Japan's weather agency says the sea off Peru was 4.4°C warmer than normal in October, beating September's record for the strongest El Niño since records began.