CloudAppSoc's profile picture. At The Cloud Appreciation Society we believe the sky is the most evocative and dynamic aspect of nature – and one that we should all value and appreciate.

Cloud Appreciation Society

@CloudAppSoc

At The Cloud Appreciation Society we believe the sky is the most evocative and dynamic aspect of nature – and one that we should all value and appreciate.

Leslie Cruz (Member 41,661) spotted these anti-crepuscular rays while walking on Isla Verde Beach in Puerto Rico. Parallel shadows cast by tall clouds before the setting Sun were stretching right across the sky to the opposite horizon.

CloudAppSoc's tweet image. Leslie Cruz (Member 41,661) spotted these anti-crepuscular rays while walking on Isla Verde Beach in Puerto Rico. Parallel shadows cast by tall clouds before the setting Sun were stretching right across the sky to the opposite horizon.

Stratocumulus clouds looming over Down East, Maine, US spotted by Jim Amon (Member 49,348). Something wicked this way comes...

CloudAppSoc's tweet image. Stratocumulus clouds looming over Down East, Maine, US spotted by Jim Amon (Member 49,348). Something wicked this way comes...

On ABC Listen, Gavin Pretor-Pinney, founder of the Cloud Appreciation Society, discussed how cloud patterns may change as our climate shifts. Listen: abc.net.au/listen/program… Image: Altocumulus spotted over Victoria, Australia by Peter Houghton.

CloudAppSoc's tweet image. On ABC Listen, Gavin Pretor-Pinney, founder of the Cloud Appreciation Society, discussed how cloud patterns may change as our climate shifts.

Listen: abc.net.au/listen/program…

Image: Altocumulus spotted over Victoria, Australia by Peter Houghton.

Next Monday, 4 Nov, CAS founder Gavin Pretor-Pinney will be speaking at @NatGalleriesSco as part of the Alfred Buckham exhibition. Book now to view the livestream: nationalgalleries.org/event/buckham-… Image: Alfred Buckham ‘Edinburgh’ (c.1920) © Richard and John Buckham.

CloudAppSoc's tweet image. Next Monday, 4 Nov, CAS founder Gavin Pretor-Pinney will be speaking at @NatGalleriesSco as part of the Alfred Buckham exhibition.

Book now to view the livestream: nationalgalleries.org/event/buckham-…

Image: Alfred Buckham ‘Edinburgh’ (c.1920) © Richard and John Buckham.

Each year, we produce a calendar of our favourite images from the Cloud Appreciation Society photo gallery. The 2026 Cloud Calendar is an absolute gem. Every month features a stunning cloudscape photographed by a member of the Cloud Appreciation Society. cloudappreciationsociety.org/shop/cloud-cal…

CloudAppSoc's tweet image. Each year, we produce a calendar of our favourite images from the Cloud Appreciation Society photo gallery. The 2026 Cloud Calendar is an absolute gem. Every month features a stunning cloudscape photographed by a member of the Cloud Appreciation Society.  cloudappreciationsociety.org/shop/cloud-cal…

Meet our next Cloud Science Spotlight, Thomas DeWitt! Thomas (Member 60,453) is a Ph.D. student studying how clouds affect the Earth's climate. His work focuses primarily on the beautiful and mysterious topic of cloud geometry. Check out his blog: thomasddewitt.substack.com/p/on-form-and-…


The seasons are turning, so show us your autumn clouds! 🍃 🎃 IMAGE: Radiation fog lifting off a meadow as the Sun lit up streaks of Cirrus and Cirrostratus, spotted over Embarrass, Minnesota, US by Suzanne Winckler (Member 41,844).

CloudAppSoc's tweet image. The seasons are turning, so show us your autumn clouds! 🍃 🎃 

IMAGE: Radiation fog lifting off a meadow as the Sun lit up streaks of Cirrus and Cirrostratus, spotted over Embarrass, Minnesota, US by Suzanne Winckler (Member 41,844).

Our greetings cards are designed by illustrator Alexandra Snowdon. With the phrases ‘Always Look Up, Never Look Back’ and ‘Clouds are for Dreamers’, they ideal cards for anyone with their head in the clouds. cloudappreciationsociety.org/shop/greetings…

CloudAppSoc's tweet image. Our greetings cards are designed by illustrator Alexandra Snowdon. With the phrases ‘Always Look Up, Never Look Back’ and ‘Clouds are for Dreamers’, they ideal cards for anyone with their head in the clouds. cloudappreciationsociety.org/shop/greetings…

"The cheapest, weirdest, most wonderful family activity you’ll ever do." Cloud Appreciation Society founder Gavin Pretor-Pinney spoke to Outside Kids about cloudspotting: outsidekids.co.uk/p/the-glorious… Image: Altocumulus fluctus over Waltham, Mass, US by Erika Bourne (Member 60,953).

CloudAppSoc's tweet image. "The cheapest, weirdest, most wonderful family activity you’ll ever do."

Cloud Appreciation Society founder Gavin Pretor-Pinney spoke to Outside Kids about cloudspotting: outsidekids.co.uk/p/the-glorious…

Image: Altocumulus fluctus over Waltham, Mass, US by Erika Bourne (Member 60,953).

From their vantage point miles above the Earth, astronauts see the sky in ways most of us could only dream of. On NASA ISS Expedition 59, astronauts saw clouds resembling a herd of migrating Cumulus across Australia's Simpson Desert. #CloudAppreciation #CloudAppreciationSociety

CloudAppSoc's tweet image. From their vantage point miles above the Earth, astronauts see the sky in ways most of us could only dream of. On NASA ISS Expedition 59, astronauts saw clouds resembling a herd of migrating Cumulus across Australia's Simpson Desert.

#CloudAppreciation #CloudAppreciationSociety

“We carry within us the wonders we seek without us.” From Religio Medici, Part 1 (1643) by Sir Thomas Browne. Image: Cirrus fibratus clouds spotted over the Lower East Side, New York City, US by Pamela Crimmins (Member 48,931). #CloudAppreciation #CloudAppreciationSociety

CloudAppSoc's tweet image. “We carry within us the wonders we seek without us.”

From Religio Medici, Part 1 (1643) by Sir Thomas Browne.

Image: Cirrus fibratus clouds spotted over the Lower East Side, New York City, US by Pamela Crimmins (Member 48,931).

#CloudAppreciation #CloudAppreciationSociety

Our Cloudspotting Chart is the ultimate poster for sky geeks. It includes images and descriptions of 52 different cloud types, from the ten main ones like Cumulus and Cirrus to rare and fleeting formations like fluctus and volutus cloudappreciationsociety.org/shop/cloudspot…

CloudAppSoc's tweet image. Our Cloudspotting Chart is the ultimate poster for sky geeks. It includes images and descriptions of 52 different cloud types, from the ten main ones like Cumulus and Cirrus to rare and fleeting formations like fluctus and volutus cloudappreciationsociety.org/shop/cloudspot…

🌫️ ☁️ Today’s the day! Tess Mooney (Member 58,355) is taking over our Instagram! 🎉 She’s sharing her research + her love of clouds. Don’t miss it 👉 instagram.com/cloudappsoc/


🌫️ ☁️ Two days to go! This Friday, Tess Mooney (Member 58,355) is taking over our Instagram to share her research & her love of clouds. Don’t miss it 👉 instagram.com/cloudappsoc/


Meet Tess (Member 58,355)! She studies Earth and Oceanographic Science in Maine, USA. Tess is doing an INSTAGRAM TAKEOVER of our account on October 3rd! Join us on Friday as we learn about her work.

CloudAppSoc's tweet image. Meet Tess (Member 58,355)! She studies Earth and Oceanographic Science in Maine, USA. Tess is doing an INSTAGRAM TAKEOVER of our account on October 3rd! Join us on Friday as we learn about her work.
CloudAppSoc's tweet image. Meet Tess (Member 58,355)! She studies Earth and Oceanographic Science in Maine, USA. Tess is doing an INSTAGRAM TAKEOVER of our account on October 3rd! Join us on Friday as we learn about her work.

Can you spot the rare cloud formation hiding in the Stratocumulus sky over Cape Kimberley, Queensland, Australia? Scott Robard (Member 65,041) certainly did. The prize specimen is known as a horseshoe vortex cloud.

CloudAppSoc's tweet image. Can you spot the rare cloud formation hiding in the Stratocumulus sky over Cape Kimberley, Queensland, Australia? Scott Robard (Member 65,041) certainly did. The prize specimen is known as a horseshoe vortex cloud.

☁️ On Friday we hosted a fireside chat with Gavin Pretor-Pinney & Dr. Ed Gryspeerdt, exploring clouds, climate models & feedback loops. 🌍✨ Catch the full conversation on YouTube: youtube.com/watch?v=_-s_Rs…

CloudAppSoc's tweet image. ☁️ On Friday we hosted a fireside chat with Gavin Pretor-Pinney & Dr. Ed Gryspeerdt, exploring clouds, climate models & feedback loops. 

🌍✨ Catch the full conversation on YouTube: youtube.com/watch?v=_-s_Rs…

Tomorrow from 16:00 - 17:00 BST - Gavin Pretor-Pinney and @EdGrys of @imperialcollege will take part in an online "fireside chat" focused on Clouds & Climate. Hosted by @asterisk_labs - sign up here: luma.com/3wtgxi06 Image: Lan Bentsen (Member 49,113)

CloudAppSoc's tweet image. Tomorrow from 16:00 - 17:00 BST - Gavin Pretor-Pinney and @EdGrys of @imperialcollege will take part in an online "fireside chat" focused on Clouds & Climate.

Hosted by @asterisk_labs - sign up here: luma.com/3wtgxi06

Image: Lan Bentsen (Member 49,113)

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