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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 powerful buoyant air currents.
Cumulus congestus or towering cumulus clouds are a species of cumulus that can be based in the low- to middle-height ranges. They achieve considerable vertical development in areas of deep, moist convection. They are an intermediate stage between cumulus mediocris and cumulonimbus, sometimes producing rainshowers, snow, or ice pellets. [2]
Cumulonimbus (WMO genus) – heaped towering rain-bearing clouds that stretch to the upper levels of the troposphere. Cumulonimbus calvus (WMO genus and species) – cumulonimbus with round tops like cumulus congestus. Cumulonimbus capillatus (WMO genus and species) – Cb with cirriform top.
From towering cumulonimbus clouds that signal severe thunderstorms to the eerie, pouch-like mammatus clouds often associated with turbulent weather, each cloud formation carries unique information ...
Instead, they form under cumulonimbus or towering cumulus clouds, according to the National Oceanic and Atmospheric Administration. This limits the energy available to the landspout, so they are ...
Cumulus congestus clouds have a cauliflower-like structure and tower high into the atmosphere, hence their alternate name "towering cumulus". [23] The variety Cumulus radiatus forms in radial bands called cloud streets and can comprise any of the four species of cumulus. [24]
A cumulonimbus incus (from Latin incus 'anvil'), also called an anvil cloud, is a cumulonimbus cloud that has reached the level of stratospheric stability and has formed the characteristic flat, anvil-shaped top. [1] It signifies a thunderstorm in its mature stage, succeeding the cumulonimbus calvus stage. [2]
A hot tower is a tropical cumulonimbus cloud that reaches out of the lowest layer of the atmosphere, the troposphere, and into the stratosphere. [1] These formations are called "hot" because of the large amount of latent heat released as water vapor that condenses into liquid and freezes into ice within the cloud.