Traditional Culture Encyclopedia - Weather inquiry - What does Chen Yu mean in the weather forecast?

What does Chen Yu mean in the weather forecast?

Shower is a rain with short duration, sudden start and stop and great change of precipitation intensity. Sometimes accompanied by lightning and thunder, mostly in summer. Shower has three discontinuous characteristics, that is, time is discontinuous, it comes and goes quickly, or sometimes it doesn't; Discontinuity in space, that is, uneven distribution in scope; When I was young, my strength was discontinuous.