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.

November 2015

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…

October 2015

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…

June 2015

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…

April 2015

April’s cloud of the month looms over Lake Tuggeranong, in the south of Canberra, Australia, resplendent in the golden rays of the evening…

March 2015

Formations like these over Warwick, southeast Queensland, Australia are often described as ‘jellyfish clouds’ on account of the tendrils that dangle below them…

February 2015

Once observed, never forgotten. That’s what they say about the celestial light display known as the aurora borealis, or northern lights…

December 2014

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?…

November 2014

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…

October 2014

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…

September 2014

A pileus formation is a smooth cap of cloud that appears on top of a large Cumulus congestus that is building rapidly upwards in the sky…

August 2014

This month’s image, which rightfully belongs in our ‘clouds that look like things’ section, had residents in Exeter, UK, gazing up in disbelief as what looked like a flying carpet passed overhead…

July 2014

Lightning heats the air around it to a temperature equivalent to four times that of the surface of the Sun. It does so within just a few millionths of a second…

May 2014

Sunrise is often a tranquil and peaceful scene, perhaps with some wisps of Cirrus cloud or a patch of fair-weather Altocumulus – even, heaven forbid, clear blue skies…

April 2014

We think of cloudspotting as a predominantly daytime activity. But, as the Cloud of the Month for April shows, it needn’t be when there is a full moon…

March 2014

This Month’s formation boldly goes where no cloud has gone before. Resembling the Starship Enterprise, it is in fact a dramatic example of a Cumulonimbus incus…

November 2013

November’s Cloud of the Month features the cloud feature known as a tuba. This finger of cloud forms within the rotating air below a Cumulonimbus storm cloud…

June 2013

This month’s choice is taken from one of our favourite parts of the Cloud Appreciation Society photography gallery…

Cloud of the Month for March 2013

March 2013

This month’s cloud, spotted by Marc Puigdomenech over Tortosa, Catalonia, Spain, is a huge Altocumulus cloud of the species known as ‘lenticularis’…

Cloud of the Month for February 2013

February 2013

The Cloud of the Month for February is Basil Stathoulis’s photograph of dramatic thunderstorms lined up across the vast expanse of Botswana’s Okavango Delta…

Cloud of the Month for January 2013

January 2013

Very rare arcs and halos appeared at the end of October 2012 as the sunlight shone through the ice crystals of Cirrostratus clouds…

Cloud of the Month for October 2012

October 2012

Lightning can take many different paths as the enormous electrical charges that build up with in Cumulonimbus storm clouds suddenly redistribute themselves…