'Super El Niño' could bring roller-coaster winter weather to Korea

The Korea Times - Oct 15, 2026

Wild temperature swings are expected to continue through the winter, with what could be the strongest El Niño on record forecast to peak toward the end of the year, raising the likelihood of a “roller-coaster winter” marked by mild spells interrupted by sudden cold snaps. According to the Korea Meteorological Administration (KMA), morning lows on Wednesday plunged by around 10 degrees Celsius from the previous day, reaching 9 degrees in Seoul and 3 degrees in Daegwallyeong, Gangwon Province. Temperatures are expected to gradually rise above the seasonal average over the weekend before plunging again, with lows reaching 3 degrees by the middle of next week, pointing to continued sharp fluctuations. The erratic weather is typical of autumn, when migratory high- and low-pressure systems pass through the Korean Peninsula in succession. Cold winds blowing down from the north are battling warm, humid southerly winds originating over the western Pacific, where sea temperatures are higher than normal, causing weather conditions to fluctuate sharply. Such unpredictable conditions are expect

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