Atmospheric Phenomena

Rainbows and Other Colorful Phenomena

What is irisation?

Sort of a diffused rainbow effect that can produce mother-of-pearl-like colors, irisation occurs when thin clouds of water vapor (particularly altocumulus clouds) pass below the Sun.


This is a web preview of the "The Handy Weather Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App