What are the characteristics of heavy snow solar terms?

1, the national temperature drop is obvious.

According to statistics, the month with the strongest cold air in China is 1 1. During the heavy snow season, except for South China and South Yunnan, most parts of China have entered the winter. The average temperature in Northeast and Northwest China is below-10℃, and the temperature in the Yellow River Basin and North China is also stable below 0℃. At this time, the Yellow River basin has been gradually snowing, but it has been snowing further north.

The south is very dry, and it snows occasionally.

However, in the south, especially in Guangzhou and the Pearl River Delta, the vegetation is still lush and the feeling of dryness is still obvious, which is quite different from the climate in the north. The winter climate in southern China is mild, with little rain and snow. The average temperature is about 2℃ to 4℃ higher than that in the middle and lower reaches of the Yangtze River, and the rainfall accounts for only about 5% of the whole year. Occasionally it snows, mostly in 1 and February; Snow on the ground is hard to see once every three to five years.

It is foggy and warm in South China in the afternoon.

At this time, the climate in South China is still foggy. Generally, 65438+February is the month with the most foggy days. Fog usually appears on cloudless nights or partly cloudy mornings. Meteorology calls it radiation fog. "Ten fogs and nine sunny days", most of the fog dissipates before noon, and the sunshine in the afternoon will be particularly warm.