Our Cloud of the Month for January shows Sea Smoke over the coast of Maine, US…
Category: Cloud of the Month
Every month, we choose one of our favourite photographs from the Cloud Gallery to become our Cloud of the Month.
Ice jellyfish in the sky…
A dramatic lenticularis sunset reveals the contour lines of the sky…
The Cloud of the Month for October reveals the waves above…
For September’s Cloud of the Month, we’ve chosen a display of ‘anti-crepuscular rays’…
It is time to clear up some confusions about what is, and what isn’t, a ‘shelf cloud’.
Your chances of seeing the vibrant ‘circumhorizon arc’ optical effect are either fantastic or hopeless, depending on where you are and the time of year…
When a mountain goes for a 17-Century look…
Welcome to the ’anvil crawler‘…
Cloud of the Month for April is the accessory cloud known as a ‘pileus’…
It is not often that we at the Cloud Appreciation Society wish the clouds away…
The aliens have landed in February’s Cloud of the Month…
Cloud of the Month for January is a rain cloud that changed its mind…
Cloud of the Month for December is the ghost of rainbows past…
Earlier this month, a peculiar ring appeared in the clouds over Warwickshire, England…
When you see a flat-looking rainbow, right down close to the ground, you are looking at a ‘lowbow’…
Cloud of the Month for September is a storm with mood lighting…
August Cloud of the Month is the variety known as ‘lacunosus’…
Cloud of the Month for July is an optical effect known as a ‘corona’…
Cloud of the Month for June is the extremely high, and rather mysterious, night-shining cloud…
Cloud of the Month for May is one of the rarest cloud formations, and quite possibly the most difficult one to spot…
When the underside of a cloud layer is festooned with pouches like this, the formation is known as mamma…
When the sky is covered in a high layer of ice crystals, known as a Cirrostratus cloud, there is always a possibility for dramatic halo phenomena…
During the first days of February, strange and beautifully coloured cloud formations were noticed by many cloudspotters across Britain and Ireland…
Mountains love dressing up in clouds. They wear them over their rocky slopes like delicate, flowing robes of moisture…
Cloudspotting mountaineers and hill walkers on the Brocken mountain in Northern Germany often find themselves climbing through a bank of stratus cloud to emerge into the sunlight above…
You know those glorious fingers of sunlight that sometimes burst out from behind clouds? They’re called ‘crepuscular rays’, they form when light and shadow are rendered visible by haze in the atmosphere…
Regularity in the natural world always feels surprising to us – the uniform hexagon formations of honeycombs, the intricate fractal swirls of ferns, a regular pattern of clouds…
September is a big month for the Cloud Appreciation Society, as we are holding our ten-year anniversary event in London…
Close your eyes, think of a cloud, and it’s probably a Cumulus that comes to mind…
For July’s Cloud of the Month, we’ve chosen a formation that was accepted as a new type of cloud a few weeks ago…
The Altocumulus lenticularis cloud is an ‘orographic’ cloud formation, which means that it tends to form as winds are forced upwards to pass over mountains…
Low clouds like Cumulus tend to consist of water droplets. High ones like Cirrus are made of ice crystals…
April’s cloud of the month looms over Lake Tuggeranong, in the south of Canberra, Australia, resplendent in the golden rays of the evening…
Formations like these over Warwick, southeast Queensland, Australia are often described as ‘jellyfish clouds’ on account of the tendrils that dangle below them…
Once observed, never forgotten. That’s what they say about the celestial light display known as the aurora borealis, or northern lights…
Cloud of the Month for January is a classic, UFO-shaped Altocumulus lenticularis cloud…
hat could be more festive than a couple of colourful sundogs, in the Cirrostratus skies of northern Italy, seated on either side of a warm, fiery Sun?…
How and where a cloud releases its load to earth can vary greatly with the type of cloud. In the case of November’s Cloud of the Month, a large Cumulonimbus over the Mongolian Steppe, the precipitation is sudden…
Cloudspotters are often to be found gazing wistfully to the west as the dying rays of the setting sun drop behind Cumulus towers on the distant horizon…