Brief introduction to the weather characteristics of cold wave

Cold wave refers to the cold air from high latitudes, which rapidly strengthens southward under certain weather conditions, causing a wide range of severe cooling, strong winds and snowfall along the way. It is a large-scale weather process, which may occur all over the country, causing natural disasters such as frost and freezing injury.

The outbreak of cold wave has different characteristics in different geographical environments. In the northwest desert and loess plateau, it is characterized by less wind and snow, which is easy to cause sandstorm weather. In Inner Mongolia grassland, it is windy, snowy and cold. In North China and Huanghuai areas, cold waves are often accompanied by snow and snow. In the northeast, it shows more violent winds and heavy snow, and the snowfall is the highest in the country. Jiangnan is often accompanied by freezing rain.