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This cookie is used to enable the currency selector functionality of our website. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Image: Spotted over Gunbarrel, Boulder County, Colorado, United States by beiyou. The mechanism is rather different from that of ocean breakers, but fluctus cloud do look like a cloudspotting surfer’s idea of heaven. If the amount of shearing is just right, these undulations can roll up into a succession of vortices. When cloud develops at an abrupt boundary between layers of colder air below and warmer air above, and the upper layer is moving more rapidly than the lower one, undulations can develop along its upper surface. The breaking-wave appearance is caused by wind shear. In all cases, the formation lasts no more than a minute or two. The distinctive curling waves can also sometimes be spotted along the top edge of a lenticularis cloud, a small Cumulus or even a layer of fog. It appears at all three cloud levels, and can be thought of as a very specific example of the undulatus cloud variety, tending to be found in Stratocumulus, Altocumulus or Cirrus clouds. In one spotting alone, this cloud can help observers overtake their fiercest cloud-collecting rivals. A well-defined fluctus is the crown jewel in many a cloud collection, for it requires the CloudSpotter to be blessed with eagle-eyed sky awareness and sheer blind luck. It is rare, fleeting and the favourite of surfing CloudSpotters.
#Fluctus farming series
The fluctus cloud, also known as the Kelvin-Helmholtz wave cloud, looks just like a series of enormous waves breaking on the shore.
