According to Baidu Library, desert storm refers to being in a very dry high-altitude atmospheric environment, with dry hot air in the lower layer, wet cold air in the upper layer and dry sand on the ground, which is very vulnerable to the earth's rotation bias and makes the air flow to a low-pressure area. "Desert storm" is a common disastrous weather in northwest China, which mostly occurs in late spring and early summer, usually from June to September of that year, and occurs to varying degrees every year. This natural phenomenon is actually the same as sandstorm, except that the desert in the northwest is bigger and the sand is finer and more destructive. But because it usually occurs in summer, it is also called "summer monsoon". Desert storm.