How do clouds stay up?


Well, the short answer Joe Hanson gives is buoyancy. The hot air will move up and the cold air will come down. Cumulus clouds, for example, show up above any area that is warm, like a city, or a sunny hillsides.

That is ok. The cloud forms above hot areas, but why does it stays like that when it travels form that area? Well, when that happens then the water vapours condenses into tiny-tiny water droplets releasing heat int he process. when that condensation happens in the entire cloud then that entire cloud heats up and buoyancy takes up the rest of the task. Clever.

Now, about 20% of the droplets in the clouds contain bacteria on which the water vapurs condense. In a way, clouds are living beings 😀

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