What is a blizzard?

Blizzard, a natural weather phenomenon, refers to a snowfall process in natural weather.

Blizzard usually occurs from June 10 to April of the following year. In the middle and lower reaches of the Yellow River and its vicinity, the largest snowfall in the whole year is often in the "rainy" solar term in spring. The appearance of blizzard is often accompanied by strong winds, cooling and other weather, which has an impact on winter traffic and agricultural production. Blizzard is mainly distributed in Northeast China, western Daxinganling Mountains in Inner Mongolia and northern Yinshan Mountain, Qilian Mountain, northern Tibet Plateau to Qingnan Plateau and western Sichuan Plateau.

Blizzard warning signals are divided into blue, yellow, orange and red; When the snowstorm weather comes, local government departments should formulate emergency plans for snowstorm warning signals to remind people to take various countermeasures.