Group 1 - The snowfall in Beijing on January 17 is primarily due to the influence of an easterly wind return weather pattern, resulting in light snow across most areas, with significant snowfall in the western regions [1][3] - The western mountainous areas of Beijing experience greater snowfall due to the terrain, which enhances the uplift of the easterly wind and moisture, leading to increased precipitation [3] - The cold air from the Bohai Bay brings abundant moisture to Beijing, which, when lifted in the western regions, forms snow clouds at temperatures between -10 to -20 degrees Celsius, facilitating the rapid growth of snowflakes [3] Group 2 - The structure of the snowflakes is fluffy, which contributes to a deeper appearance of the accumulated snow [4]
北京西部地区积雪达2—6厘米 为什么沿山雪势更强？
Xin Lang Cai Jing·2026-01-17 14:41