Cumulonimbus (from Latin cumulus 'swell' and nimbus 'cloud') is a dense, towering, vertical cloud, [1] typically forming from water vapor condensing in the lower troposphere that builds upward carried by …

Cumulonimbus clouds are highly developed vertical clouds, associated with intense storms. They form from warm, humid air under conditions of atmospheric instability.

Learn about cumulonimbus clouds, including cloud description and facts, images, how to best identify them, and their species, varieties, and features.

The meaning of CUMULONIMBUS is cumulus cloud having a low base and often spread out in the shape of an anvil extending to great heights.

Jun 2, 2024 · Cumulonimbus clouds are composed of water vapor near the bottom and ice crystals near the very top, part of the reason why their growth typically has a cap before the storm finally breaks.

What are cumulonimbus clouds? Cumulonimbus clouds are menacing looking multi-level clouds, extending high into the sky in towers or plumes. More commonly known as thunderclouds, …

Jun 6, 2025 · Bottom line: Cumulonimbus clouds, sometimes called thunderheads, are towering formations that can bring severe storms such as hail, lightning, flooding and tornadoes.

Cumulonimbus clouds are also called thunderstorms, since they usually have lightning and thunder associated with them. Cumulonimbus clouds develop from cumulus humulus and cumulus congestus …

Heavy and dense cloud, with a considerable vertical extent, in the form of a mountain or huge towers. At least part of its upper portion is usually smooth, or fibrous or striated, and nearly always flattened; …

Cumulonimbus is defined as a type of cloud characterized by its dramatic structure and significant vertical development, which can extend to the tropopause and is associated with active convection …