The main weather systems that affect weather changes are

According to the spatial distribution of meteorological elements, the atmospheric motion system with typical characteristics (usually refers to the system composed of the spatial distribution of atmospheric pressure), such as high (gas) pressure, low (gas) pressure, high pressure ridge, low pressure trough, etc. Sometimes it refers to the wind distribution system, such as cyclone circulation, anticyclone circulation, shear line and so on. Sometimes it refers to the system of temperature distribution, such as high temperature zone, low temperature zone, front zone and so on. Sometimes it refers to.