Cirrus clouds are composed entirely of ice crystals, and when the Sun is high in the sky – at an angle of more than 58 degrees above the horizon – there’s a chance these ice crystals can refract the sunlight to create a horizontal band of colours known as a circumhorizon arc. Elena Correa spotted this circumhorizon arc in a Cirrus vertebratus cloud above Aptos, Califor...
Click on the "Follow" button below and you'll get the latest news from Cloud Appreciation Society via email, mobile or you can read them on your personal news page on this site.
You can unsubscribe anytime you want easily.
You can also choose the topics or keywords that you're interested in, so you receive only what you want.
Cloud Appreciation Society title: The Cloud Appreciation Society - Cloud Appreciation Society