What is the characteristic feature of cumulonimbus clouds?

<p style=";text-align:left;direction:ltr">Arab Weather - The distinctive feature of cumulus clouds is their dense and swollen shape with a dome-like top, and they are often of high altitudes starting from the lower layers of the atmosphere and extending upwards. Cumulus clouds are usually formed as a result of warm, humid air rising to the upper layers of the atmosphere, where it cools and condenses, forming these clouds.</p><p style=";text-align:left;direction:ltr"> Cumulonimbus clouds are also characterized by their ability to generate strong weather phenomena such as thunderstorms, heavy rain, and lightning, especially when they develop into cumulonimbus clouds.</p>