A thunderstorm anvil with visual characteristics resembling cumulus-type clouds (rather than the more typical fibrous appearance associated with cirrus ). A cumuliform anvil arises from rapid spreading of a thunderstorm updraft , and thus implies a very strong updraft. See anvil rollover , knuckles , mushroom .
CUMULIFORM ANVIL
Meaning of CUMULIFORM ANVIL in English
A comprehensive English glossary of weather. Полный английский глоссарий погоды. 2012