What is another word for cumulo-cirrus?
Pronunciation: [kjuːmjˈʊlə͡ʊsˈɪɹəs] (IPA) 
Cumulo-cirrus clouds, also known as cirrocumulus clouds, are small, white, and puffy clouds that form at high altitudes. These clouds are often associated with fair weather, but they can also indicate an approaching storm. Synonyms for cumulo-cirrus include cotton ball clouds, sheepback clouds, and mackerel sky. The term cotton ball clouds is used because of the cloud's similarity to the soft and puffy texture of cotton balls. Sheepback clouds, on the other hand, suggest the resemblance to the back of a sheep. Mackerel sky, also called a buttermilk sky, refers to the cloud's pattern resembling the scales of a mackerel fish. Whatever term is used, cumulo-cirrus clouds are an awe-inspiring sight to behold.
