受寒潮影响 多地降雪降温

Group 1 - A strong cold air mass is currently affecting China from west to east, leading to strong winds, temperature drops, and snowfall in regions such as Xinjiang, Ningxia, Inner Mongolia, Hebei, and Shanxi [1] - Gansu has experienced rain and snow since the evening of November 23, prompting temporary traffic controls on several highways and roads, with snow removal operations being conducted overnight [3] - The Central Meteorological Administration forecasts frequent cold air activities this week, with temperature drops of 4 to 8 degrees Celsius in most northern regions, and some areas experiencing drops exceeding 10 degrees Celsius, accompanied by strong winds [5]