June 15, 2026 Doyoung Lim biz.chosun.com El Niño, the natural Pacific weather pattern that pushes up global temperatures, has officially begun, according to the US scientists. The US National Oceanic and Atmospheric Administration (NOAA) has declared that El Niño conditions are now underway in the tropical Pacific, with sea surface temperatures having risen sharply in recent months. Many forecasts suggest this could end up as a super El Niño and even be among the strongest ev