Thunderstorms are commonly associated with cumulonimbus clouds. Cumulonimbus clouds are tall, dense, and vertically developed clouds that can extend into the upper levels of the atmosphere. These clouds are often characterized by their large vertical extent, anvil-shaped tops, and the presence of towering cumulus clouds beneath them. Cumulonimbus clouds are associated with the formation of thunderstorms, as they have the capability to produce heavy rain, lightning, thunder, strong winds, and sometimes hail and tornadoes.