The society for people who love the sky

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Today's Cloud-a-Day

Wednesday 21st June 2023

Linda Seward (Member 48,760) was attending a conference of the British Mycological Society, which is a bit like CAS but for fungi, in Nantlle, Gwynedd, Wales. While there, she looked up from studying mushrooms on the ground to see this Cum…

Cloud of the Month

June 2023

In Cloud of the Month for June, we introduce the murus cloud, which appears beneath huge storm systems and likes to give birth to tornadoes…

Recent Clouds Spotted

New from our Members

Cloud Videos
Gary McArthur, Member 5,353, made a short video ...
Cloud Art
Regina Calton Burchett, member 51261 sent her recent ...
Cloud Music
Sylvia Lee, a singer-songwriter from Hamburg, Germany, recently ...
A fair weather cloud day over Valentia Island in the south west of Ireland.
Cloud Poetry
Melanie McDowell, Member 58,909 is thoroughly enjoying her ...

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.

News

NASA Mission to Study Ice Clouds

Marilyn Murphy, artist and CAS Member 41,144, shared with us the news that  Vanderbilt University’s Ralf Bennartz is to lead a NASA mission to study ice clouds.  This is a NASA satellite mission, supported by a grant of up to $37 million, aimed at better understanding Earth’s high-altitude ice clouds. Ralf Bennart, Stevenson Chair and professor […]

Weatherwise Annual Photo Competition

ATTENTION ALL AMATEUR WEATHER PHOTOGRAPHERS! Enter your best weather photos in the 2023 Weatherwise Photography Contest. Winners will be featured in the September/October 2023 issue. One grand prize, one first prize, two second prizes, three third prizes, and several honourable mention prizes will be awarded.* All winners receive a one-year online subscription to the only […]

Clouds at Museum Sinclair-Haus

Hans-Georg Arzt, Member 44,560 send us details of this exhibition at Museum Sinclair-Haus, Löwengasse 15, 61348 Bad Homburg v.d.H.  It is running from 19th March to 13th August and you can see more about it on the gallery website or by downloading the exhibition catalogue