京津冀等地大雾天气会持续多久？气象专家解读

Core Points - The Central Meteorological Observatory has issued a yellow fog warning, predicting dense fog with visibility below 200 meters in several regions including southeastern Beijing, central Tianjin, central Hebei, western and southern Shandong, northern Jiangsu, northern Anhui, and central Hunan [1][3] - The recent fog events are attributed to specific weather patterns, particularly the dry upper air and moist lower air, which facilitate fog formation [4] - The current foggy conditions are expected to persist until the 8th, with a cold air mass moving in on the 9th, leading to a gradual reduction of fog in the central and eastern regions [7] Weather Impact - The fog significantly affects transportation, especially on highways where "tuanwu" (fog patches) are common, particularly in the North China Plain, Jiangsu, and Anhui [5] - There have been three major fog events since the beginning of autumn, primarily affecting the Beijing-Tianjin-Hebei region and surrounding areas [3]