The warm water evaporates from the ocean surface, and the light, warm and humid air rises, leading to deep convection in the form of towering cumulonimbus clouds and heavy precipitation. (theconversation.com)
But not as annoying as the tedious, predictable blowhards who clearly feel their calling in life is to channel the spirit of cumulonimbus clouds, for yea, do they love to rain upon every parade. (premierchristianity.com)
The upward trajectory of the air gives shape to the towering cumulonimbus clouds, and if the air is heavily laden with water vapor, it adds mass to the clouds, as well. (scientificamerican.com)