In meteorology, a cloud is an aerosol consisting of a visible mass of miniature liquid droplets, ice crystals, or other particles, suspended in the atmosphere of a planetary body or similar space. Wat
Cloudscape over Borneo, taken by the International Space Station
Windy evening twilight enhanced by the Sun's angle. Clouds can visually mimic a tornado resulting from orographic lift.
Cirrus fibratus clouds in March
High cirrus upper-left merging into cirrostratus right and some cirrocumulus far right
Cumulus clouds are clouds that have flat bases and are often described as puffy, cotton-like, or fluffy in appearance. Their name derives from the Latin cumulus, meaning "heap" or "pile". Cumulus clou
Cloud
…forms which can be further divided or classified into altitude levels to derive ten basic genera. The five main forms are stratiform sheets or veils, cumuliform heaps, stratocumuliform bands, rolls, or ripples, cumulonimbiform towers often with fibrous tops, and cirriform wisps or patches. Low-level clouds do…
Small cumulus humilis clouds that can have noticeable vertical development and clearly defined edges.
Lines of cumulus clouds over Brittany, France
Cumulus mediocris clouds over Sweden
Cumulus congestus clouds compared against a cumulonimbus cloud in the background