Complex sentence: In practice, this shape is related to the physical process producing this cloud: the latter is a local instability at the top of the cloud that breaks the temperature inversion and is the cause of the formation of towers, this being confirmed by vertical soundings.
Split into simpler sentences: In practice, this shape is related to the physical process producing this cloud. It is a local instability at the top of the cloud that breaks the temperature inversion and is the cause of the formation of towers, this being confirmed by vertical soundings.