The society for people who love the sky
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Wednesday 31st May 2023
When describing a cloud like this Altocumulus, we might add the term perlucidus to indicate that there are gaps between the cloud’s elements, or cloudlets, through which the sky above is visible. Think of the view out a window visible betw…
Cloud of the Month
New from our Members
Get our Cloud-a-Day App
Our free Cloud-a-Day app is the perfect way to start your journey to becoming an expert cloudspotter. It has a library of descriptions and reference images for 58 different clouds and optical effects and it uses the power of AI to help you identify the clouds you spot. Members can also view the Cloud-a-Day in the app that they get as part of their subscription.
Memory Cloud Atlas
On Cloud Appreciation Day 2022 we launched our Memory Cloud Atlas, a website where cloudspotters around the world could, on one day only, share their views of the sky and say how it makes them feel. We think the results are amazing...
Get the Book
A Cloud A Day is our beautifully illustrated book containing 365 skies selected by the Cloud Appreciation Society. It includes photographs by our members from around the world of stunning and fascinating formations, as well as examples of clouds depicted by great artists and even formations in Space, such as interstellar clouds and those on other planets. This is the ultimate dip-in-and-out book for sky lovers. Each image is accompanied by an enlightening explanation, a revealing snippet of cloud science, a surprising story or an uplifting quotation. Each entry will teach you about the sky in a fun and uplifting way.
A Survival Kit for the Imagination
Our downloadable lesson plans and resources for schools and homeschools teaching about the sky.