Traditional Culture Encyclopedia - Weather forecast - Why is the weather in Zhongshan bad?

Why is the weather in Zhongshan bad?

According to the data of temperature and frost in Zhongshan 1955 ~ 2000 for 46 years, the climatic characteristics of low temperature and frost in Zhongshan are summarized by statistical and intuitive line charts, the causes of low temperature and frost are analyzed, and several typical upper-air circulation situations causing low temperature and frost are found out:

1, high anti-collapse type in the west.

2. Middle resistance and high collapse type.

3. The western trough develops eastward.

4. Eastern low trough development type. In addition, the situation of upper air circulation can predict the occurrence of low temperature and frost. In the late 1980s, the intensity and duration of low temperature weather showed a weakening trend, indicating that the start dates of low temperature and frost in Zhongshan City were delayed with time.