Why does it always snow in Zuoyun Youyu, Shanxi?

Zuoyun County is located in the northernmost part of Shanxi, on the Saibei Plateau. Youyu County, located at the northwest end of Shanxi Province, is an ancient northern fortress. The reasons why it always snows in Zuoyun County and Youyu County are: climatic reasons and topographic reasons.

1. Climatic reasons: Zuoyun County and Youyu County belong to warm temperate semi-arid climate, with dry and cold winter and little precipitation. Due to the low temperature, high air humidity, large air pressure difference and complex terrain in mountainous areas, the possibility of water vapor condensing into snow increases.

2. Topographic reasons: Zuoyun County and Youyu County have complex topography, dense mountains, high mountains and deep valleys, and great differences in topography. In addition, this area is located in the mid-latitude area, where the westerly wind and southeast airflow meet, and it is easy to form snowfall when cold and warm air meet.