Weather Tidbits: Iridescence

This Weather Tidbits discusses iridescence. They are brilliant spots or borders of colors that are observed in clouds. It appears adjacent to the sun or moon and are interpreted as an imperfect or partial corona. They are associated with mid-level clouds. Iridescence form from diffraction of water droplets that are different sizes, which result in the lack of symmetry and diffusion.

Categories: Weather Tidbits