专家研判今年秋冬或形成一次弱拉尼娜事件

Group 1 - The core viewpoint of the article discusses the impact of a potential weak La Niña event on the upcoming winter in China, with predictions of colder temperatures in the northern regions [2][3][4] - The National Oceanic Environment Forecast Center predicts that sea temperatures in the Bohai Sea and the southern East China Sea will be slightly higher by 0.5°C to 1°C, while the Yellow Sea and central and northern East China Sea will be higher by 1°C to 2°C [2] - The article highlights that while La Niña events are often associated with colder winters, the actual winter temperature in China is influenced by various factors, including the strength of the East Asian winter monsoon and other atmospheric conditions [4] Group 2 - The article notes that during the "triple" La Niña period from 2021 to 2023, over 60 meteorological observation stations in North China recorded historical low temperatures, and Inner Mongolia experienced severe snowstorms affecting over 1.18 billion people [3] - It emphasizes that the probability of a colder winter increases with the occurrence of La Niña events, but the expected weak La Niña this year may not significantly impact winter temperatures [4] - The article advises the public to pay attention to weather changes and take precautions against health risks associated with temperature fluctuations [4]