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The dark clouds over open water have long been used by polar explorers and scientists to navigate in sea ice. For example, Arctic explorer Fridtjof Nansen and his assistant Hjalmar Johansen used the phenomenon to find lanes of water in their failed expedition to the North Pole , as did Louis Bernacchi and Douglas Mawson in Antarctica.
A sea of clouds is an overcast layer of stratocumulus clouds, as viewed from above, with a relatively uniform top which shows undulations of very different lengths resembling waves on the sea. [1] A sea of fog is formed from stratus clouds or fog and does not show undulations. [2] In both cases, the phenomenon looks very similar to the open ocean.
An early cloudscape photographer, Belgian photographer Léonard Misonne (1870–1943), was noted for his black and white photographs of heavy skies and dark clouds. [ 1 ] In the early to middle 20th century, American photographer Alfred Stieglitz (1864–1946) created a series of photographs of clouds, called "equivalents" (1925–1931).
Clouds form when the dew point temperature of water is reached in the presence of condensation nuclei in the troposphere. The atmosphere is a dynamic system, and the local conditions of turbulence, uplift, and other parameters give rise to many types of clouds. Various types of cloud occur frequently enough to have been categorized.
A stratocumulus cloud, occasionally called a cumulostratus, belongs to a genus-type of clouds characterized by large dark, rounded masses, usually in groups, lines, or waves, the individual elements being larger than those in altocumulus, and the whole being at a lower height, usually below 2,000 metres (6,600 ft).
The cloud cover is correlated to the sunshine duration as the least cloudy locales are the sunniest ones while the cloudiest areas are the least sunny places, as clouds can block sunlight, especially at sunrise and sunset where sunlight is already limited. Partial cloud cover over the North Atlantic Ocean. Complete cloud coverage over France
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That wave cloud pattern formed over the Île Amsterdam, in the lower left corner at the tip of the triangular formation, in the far southern Indian Ocean. A wave cloud is a cloud form created by atmospheric internal waves. Wave cloud pattern in Tadrart region. Unusual wave clouds over the Aral Sea, seen from NASA's Water satellite on March 12 ...