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Learn what makes each formation special with expert text from the Cloud Appreciation Society and stunning reference photographs by our app users around the world.
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Learn what makes each formation special with expert text from the Cloud Appreciation Society and stunning reference photographs by our app users around the world.
Cloud Appreciation Society
The society for people who love the sky
https://cloudappreciationsociety.org/
They have a free CloudSpotter app.
"Our CloudSpotter app will teach you how to spot 58 different cloud formations and optical effects, from the common ones like Cumulus clouds and rainbows to rare ones like the fleeting fluctus cloud or the hard to spot circumzenithal arc."

The society for people who love the sky Welcome, artists, scientists, cloudspotters and dreamers. You’ve come to the right place! Join the Cloud Appreciation Society or Sign Up a Friend Buy or Renew a Membership Today’s Cloud-a-Day Friday 16th January 2026 You know when you crest a hill only to find there’s a bigger one […]
#SkyingHour Q4 What's your favourite type of cloud?