Types of Clouds

Clouds can and do cast shadows on other clouds. What you’re seeing is a real atmospheric effect. What’s happening \t•\tWhen the Sun is low (sunrise or sunset), taller or denser clouds block sunlight. \t•\tThat blocked light creates shadow bands that fall onto: \t•\tlower clouds \t•\thaze or dust in the atmosphere \t•\tsometimes even distant cloud layers These dark-and-light streaks are often called crepuscular rays (when the light beams are visible) and anticrepuscular rays (when the shadowed ba

The Science of Cloud Formation