No. Cumulonimbus clouds are thunderheads. Cumulus clouds usually indicate fair weather.
Cumulus clouds are usually called "thunderheads"
Another name for this type of cloud is thunderhead
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.
Cumulonimbus clouds. These clouds are associated with thunderstorms and can produce heavy rain, lightning, and strong winds.
Cumulus of low vertical extent- "fair weather cumulus".
The Cisco Kid - 1950 Thunderhead - 3.13 was released on: USA: 30 November 1952
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Cumulus is a type of cloud! Cumulus comes from a Latin word meaning: heap
Thunderhead - Son of Flicka - 1945 is rated/received certificates of: Australia:G Finland:K-3 (2006) Sweden:Btl
A thunderhead is a type of cumulonimbus cloud associated with thunderstorms. These clouds are typically dense and towering, indicating strong upward motion and the potential for heavy rainfall, lightning, and thunder. When a thunderhead forms, it often signals that rain is imminent or already falling.