150-Year Record 'Super El Niño' Looms, Threatening Global Heat Records

South Korea is bracing for potentially record-breaking heat as scientists warn of a powerful 'super El Niño' forming in the Pacific. The implications are dire, not just for our immediate weather but for the global climate system. Recent forecasts indicate that sea surface temperatures in the Pacific are already significantly above average, a precursor to the El Niño phenomenon.

This developing El Niño is not expected to be a typical event. Projections suggest it could intensify into a 'super El Niño' by autumn, with sea surface temperature increases potentially exceeding 1.5 degrees Celsius, and some forecasts even reaching over 3 degrees Celsius. This would surpass the record set in 1877, a year associated with widespread drought and famine. The potential for 2025 or 2027 to become the hottest year on record is a chilling prospect, especially as the world has already experienced 11 consecutive years of record-breaking warmth.

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The probability of 2026 being the hottest year on record is quite high at 19%. The probability of it being the second hottest is 50%.

The implications for South Korea are significant. We've already seen unseasonably high temperatures, with daytime highs reaching 34 degrees Celsius in mid-May. This El Niño could exacerbate these conditions, leading to more extreme heatwaves, impacting agriculture, public health, and daily life. While international media focuses on the global statistics, for us in Korea, this means preparing for a summer that could be exceptionally harsh, potentially straining our infrastructure and resources. The memory of the 2015-2016 El Niño, which contributed to a record-high average temperature in Korea, serves as a stark warning of what could be in store.

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El Niño is expected to peak at the end of 2026, making it highly probable that 2027 will be the hottest year with a 73% chance.