Heavy masses of dense cloud whose cumuliform summits rise in the forms of towers,
the upper parts having a fibrous texture and often spreading out into the shape of
an anvil; these clouds generally produce showers of rain and sometimes of snow, hail
or soft hail, and often develop into thunderstorms; up to
;
summits may be as cold as
;
strong convective motions with vertical velocities of
to greater than
.
Source:
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2180
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
https://doi.org/10.1351/goldbook.
