What is the weather?

weather refers to the constantly changing atmospheric state, which is not only the atmospheric state in a certain time and space, but also the continuous change of atmospheric state in a certain time interval. So it can be understood as a general term for weather phenomena and weather processes. Weather phenomenon refers to various natural phenomena that occur in the atmosphere, that is, the comprehensive expression of the spatial distribution of various meteorological elements in the atmosphere (such as temperature, pressure, humidity, wind, clouds, fog, rain, snow, frost, thunder, hail, etc.) in an instant. The weather process is the change process of weather phenomena in a certain area with time.

his characteristic is that he changes in a short time.