cumulus cloud

in atmospheric chemistry
Detached, dense clouds with a dome-shaped upper surface with sharp-edged, rounded protuberances and a nearly horizontal base; \(600{-}6000\ \text{m}\) or more; convective motion with rising, large bubbles of warm air with vertical speeds of \(1{-}5\ \text{m s}^{-1}\).
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2180 [Terms] [Paper]