It is a well-known fact that altostratus clouds are mid-level clouds. Altostratus clouds are formed when a large stable air mass is lifts causing water vapor to condense into a cloud. This piece from ScienceStruck will not only make you aware about the many facts related to altostratus clouds, but will also provide you with some beautiful images of its varieties. Altostratus clouds are characterized by their uniform gray cloud layer ranging from thin clouds that let you see the sun, to thick layers of clouds that completely block the sun. But how do these clouds look and what are the other characteristic facts about them? What do they look like?

With regards to color, altostratus clouds are darker compared to cirrostratus but lighter than nimbostratus. Up, up, and away, we are learning about clouds today! In this lesson, you will learn what altostratus clouds are, where you see them in the sky, what they look like, and how they are formed.