Entrainment (meteorology)

Air flows in and around a convective cloud

Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.

Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment.


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