What condition must a cloud exist under regarding surrounding air moisture?
Answer
The air must be saturated or near-saturation
The existence of a cloud is fundamentally dependent on the surrounding air holding all the water vapor it can at that specific temperature and pressure.
Related Questions
What primarily constitutes the visible structure of a cloud?How do the size of typical cloud droplets compare to visible airborne matter?What is the role of condensation nuclei in cloud formation?Which force dominates the motion of an individual, tiny cloud droplet?What describes the terminal velocity of minuscule cloud droplets?What mechanism counteracts the droplets' slow downward drift in a developing cloud?What is the primary trigger for a visible cloud structure to dissipate or appear to sink?What condition must a cloud exist under regarding surrounding air moisture?What effect does large-scale air sinking (subsidence) have on cloud support?What is observed when a cloud base appears ragged on a sunny afternoon while the top grows vigorously?