The society for people who love the sky
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Today's Cloud-a-Day
Tuesday 14th May 2024
It is possible for a cold layer of air to get trapped at ground level, with a layer of warmer air above it. This is known as a temperature inversion because it is the opposite of the normal temperature pattern of air being warmer near the …
Cloud of the Month
May 2024
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.
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.