It reflects the weather change characteristics of cold air passing through the border with wind and then precipitation (snow).
2. "In April, the beauty of the world is exhausted, and the peach blossoms in the mountain temple."
It reflects the vertical distribution of temperature. It is precisely because the temperature decreases with the elevation of the terrain (every elevation of the terrain 1000m, the temperature decreases by 6℃), which causes the different geographical phenomena of peach blossom periods on the mountain and under the mountain.
3. "sunrise in the east, sunset in the west, and the road is blind."
At the same time, the weather in different places is different. It is also an excellent portrayal of the rain. We can know from the poem that convective rain is characterized by large precipitation intensity, small range and short duration.
4. "In February, Jiangnan is full of flowers, and cold food in other places is far from sad."
That is to say, the climate in the south and north of China is quite different. Jiangnan in February is full of flowers, and other places are very cold.
5 "Good rain knows the season, when spring comes."
In other words, there is a general situation that the temperature rises rapidly and the precipitation is less in spring in China.
6 "Jun asked that the return date has not yet arrived, and the rain rose in the autumn pool in the evening."
In other words, due to the influence of topography, it often rains at night in Bashan area of Sichuan.
7 "I'm afraid Qionglou Yuyu is too cold up there."
It means that the higher the terrain, the lower the temperature.
8 "It snows in Tianshan Mountain in May, but it is only cold in bloom." ：
One is that the higher the terrain, the lower the temperature, and the other is that Tianshan Mountain is high in altitude.
9. "It's warm and cold at first, and it's settled when the wind and rain come late."
This shows that the temperature in China in spring is changeable and unstable.
10 "Why should a strong brother complain about Liu? Spring breeze is not enough. "
Yumenguan is located in China's non-monsoon area, and it is difficult for warm and humid summer monsoon to reach here. "Spring breeze" can be understood as summer monsoon, and the western part of China belongs to temperate continental climate, which is less affected by summer monsoon and less rainy.