My four year old asked this morning from out on our deck “why do clouds fall”? It was quite foggy out.
In: Earth Science
Fog is actually usually clouds that form just above the water or ground. It’s because air can only hold so much water vapor. The water evaporates from the surface of the water where the air is warmer, but if there’s a sharp drop in temperature in the air as it rises it can reduce how much water the air can hold. That water vapor condenses into a cloud we call fog.
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