Why do we listen to Cold Air from Siberia the most in our life?

Whenever there is cold air and cold wave, there is always a mysterious place-Siberia. Especially in the winter weather forecast, "a cold front from Siberia arrived in northern Xinjiang this morning ..." This situation is even more common. So where is Siberia and why is it so close to the cold air?

Siberia is a large area of North Asia in Russia. It starts from the Urals Mountains in the west, borders the Pacific Ocean in the east, the Arctic Ocean in the north, the mountainous areas in the north-central part of Kazakhstan in the southwest, and borders China, Mongolia and North Korea in the south. Among the above three cold air sources, 95% cold air passes through central Siberia (70-90 E, 43-65 N), where it accumulates and strengthens, which can be said to be an important channel for cold air to go south, so it is also called the key area of cold wave!

In fact, the cold air originally came from the Arctic Ocean and then strengthened through Siberia. High latitude, long nights in winter, short days and less sunshine. In the polar regions, even on extreme nights, the sun will never appear. So the heat the earth gets from the sun is very weak.

In winter, Siberian cold air often goes south. Sometimes it forms a front with the warm and humid air in the south, bringing rain and snow. Sometimes it is too small or too strong. In addition to bringing strong winds and cooling, it will not bring rain and snow. Russia is the coldest place in the northern hemisphere. In summer, because the mainland absorbs heat quickly and dissipates heat quickly, the heat capacity of water is large, the temperature rises slowly and dissipates heat slowly. Although the latitude of the Arctic Ocean is high, the temperature is not the lowest. The whole Arctic Circle is surrounded by cold air gathering areas and cold wave birthplaces. Because the cold air in Siberia is the main factor affecting our country, we are deeply impressed by Siberia.

The Siberian continent heats up faster, and the winter temperature is lower than that of the ocean at the same latitude. Compared with southern China, the air pressure is much higher. In winter, the northwest wind in most parts of China is periodic. Basically, a cycle lasts for 7 days. The cold air goes south, and the wind cools down, bringing rain, snow or cloudy days, and then the rain turns sunny, with the largest cooling range. After a few days, the temperature rose slowly and finally reached the highest point.

In China, people call it the cold wave, and its official name is the cold wave. In abnormal years, the cold wave ended late, resulting in "late spring cold" The first cold wave is called menarche. The time of year is not fixed. Wrong 10 days 8 days is normal. According to the law of previous years, China will usher in the first cold wave in June+10, 5438. There will be 5-6 gale, rain or snow, or just cloudy. The temperature dropped to about 0℃.