No. Cumulonimbus clouds are thunderheads. Cumulus clouds usually indicate fair weather.
Cumulus clouds are usually called "thunderheads"
Cumulo-nimbus clouds. Sometimes they grow so tall that they develop an 'Anvil' (flat) top at icing level.
a thunderhead cloud is a thin wispy white cloud
A Thunderhead is a type of cloud. A Thunderhead may be seen during a thunderstorm and the best chance to see them would be along cold front squall lines.
A thunderhead was filling the horizon when we set out, making us consider starting later when it had passed.
Cumulus of low vertical extent- "fair weather cumulus".
an alto cumulus cloud is just a broken up cumulus cloud
cumulus
Cumulus is a type of cloud! Cumulus comes from a Latin word meaning: heap
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The Cisco Kid - 1950 Thunderhead - 3.13 was released on: USA: 30 November 1952