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Altocumulus clouds are mid-level clouds that form between 6,500 to 20,000 feet above sea level. These fluffy and white clouds are characterized by their patchy appearance and rounded shapes. They are commonly seen in the afternoon and are known as “sheepback” clouds because they resemble the wool of sheep.

Types of Altocumulus Clouds

There are two types of altocumulus clouds, namely:

Altocumulus Stratiformis:

These clouds are spread out in a layer or sheet form and cover the entire sky. They are gray or white in color and have a wavy or undulating appearance.

Altocumulus Castellanus:

These clouds have a tower-like structure and resemble the turrets of a castle. They have a higher vertical extent and are often associated with thunderstorms.

Characteristics of Altocumulus Clouds

Altocumulus clouds are formed when moist and warm air rises and cools, leading to the condensation of water vapor. They are an indication of a change in weather and are often seen before a storm or cold front. They can be differentiated from other mid-level clouds like altostratus by their patchy and puffy appearance.

The size of altocumulus clouds can vary from a few hundred feet to several miles long. They are usually white or gray in color and can appear in different shapes and patterns. These clouds do not produce precipitation, but they can develop into thunderstorms when combined with other cloud types.

Conclusion

Altocumulus clouds are fascinating to watch and are an indication of changing weather. Knowing about them can help in predicting the occurrence of a storm or change in weather conditions. Keep your eyes on the sky, and you might just see them appear like a flock of sheep grazing in the sky.