Cell phone images are fine. Email it to [email protected]. The article Double Rainbow Brightens Alameda Sky: Photos Of The Day appeared first on Alameda Patch.

The sky isn't just blue by chance. It takes all the colors of the rainbow for us to see it that ... although the effect can vary based on time of day and other factors.

The multi-colored clouds are known as polar stratospheric clouds (PSCs) and look similar to auroras blazing in the sky. However, these rainbow clouds aren’t auroras as you might think.