This figure shows the individual phases of cloud development. Consider these not only as phases of cloud development, but also as phases of time and local locations.
In phase (b), a cloud is formed from air heated above the surface in zone (a), but it has already shifted away from zone (a) and has no connection with the surface.
Please note, at the same time, the heating of the terrain continues over place (a) and a new cycle begins for the next cloud.
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