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

Today's Cloud-a-Day

Thursday 2nd May 2024

In South America, strong north-westerly or westerly winds often race down the eastern slopes of the Andes mountain range and across the open plains of Patagonia. There, the winds meet a lake…

Cloud of the Month

May 2024

Only one of the ten main types of cloud can produce lightning. Only Cumulonimbus has the superpower to shoot electricity through the air. Which is why we’re feature it as Cloud of the Month for May...

Recent Clouds Spotted

New from our Members

Cloud Art
Laurel Sherrie uses traditional oils and rich colours ...
Cloud Music
Mary Williamson, member 54,343, sent us this suggestion ...
A Circumhorizon Arc over Colorado, US.
Cloud Poetry
Melody Serra, Member 56,638 from New York City, ...
Cloud Art
Sherry Palmer, Member 27,151, has been visiting Skye ...

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.

News

Marine Cloud Brightening: a Potential Tool in the Fight against Climate Change

A small-scale experiment was recently carried out by a team at the University of Washington to explore a potential tool in the fight against the climate crisis: marine cloud brightening. The idea is that spraying tiny particles of sea salt into marine Stratocumulus clouds – the low, clumpy layer cloud that can form over large […]

Cloud Man Production

Chicago’s Filament Theatre are in the final week of their production of Cloud Man. Filament Theatre is the premier theatre for young audiences on Chicago, Illinois’ Northwest Side, and is delighted to present the magical Constellation Points’ Cloud Man. The production is thanks to a new partnership between Filament and the Scottish theatre company Constellation […]

Prehistoric Art of the Colorado Plateau: It’s All About Clouds!

The prehistoric peoples of the Colorado Plateau in the southwest United States knew a thing or two about clouds. And they shared their knowledge in the form of ‘cloud beings’ drawn and carved onto rocks that are still visible today...