What is weather

Weather refers to the atmospheric state that is constantly changing. It is not only the atmospheric state within a certain time and space, but also the continuous change of the atmospheric state within a certain time interval. Therefore, it can be understood as a collective name for weather phenomena and weather processes. Weather phenomena refer to various natural phenomena that occur in the atmosphere, that is, various meteorological elements in the atmosphere at a certain instant (such as temperature, air pressure, humidity, wind, clouds, fog, rain, snow, frost, thunder, hail, etc.) Comprehensive performance of spatial distribution. Weather process is the process of changes of weather phenomena in a certain area over time.