How Are Clouds’ Shapes Made? Explore the diverse world of cloud formations, from ground-level fog to high-flying cirrus ...

Clouds are categorized into three main groups based on their altitude: cirrus, cumulus, and stratus. Cirrus clouds are high-altitude clouds, often appearing as thin, wispy strands. They are ...

Fire rainbows, a phenomenon that captivates both the eye and the imagination, are a rare sight in the sky. When these ...

High altitude cirrus clouds on a fine day in the Adirondacks. Photos by Katie Finch We talk about nature quite a bit at Audubon. But what is included in that broad category? Obviously plants and ...

When cumulonimbus clouds grow high enough into the atmosphere, the temperature becomes cold enough for ice clouds, or cirrus, to form. Clouds made up entirely of ice are usually more transparent.

“Cirrus clouds are not so well understood,” says ... where they can be carried around the entire planet. The high altitude of these formations makes them difficult to study—too high for ...