November - fog You are here: Home Photo gallery Clouds Convective clouds Cumulonimbus


A cumulonimbus is a storm cloud with large vertical extend (up to 13 miles maximally, in the tropics). There are different types of thunderstorms: single cells, multicells, supercells and mesoscale convective storms (MCSs). The top of a cumulonimbus usually has the form of an anvil because the tropopause is a strong temperature inversion which the cloud cannot penetrate, so the cloud spreads out laterally. Cumulonimbus is usually precipitating snow, hail, rain or graupel, and may have lightning as well.

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