Polar stratospheric cloud
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A polar stratospheric cloud is a cloud that forms in the winter polar stratosphere at altitudes from 15,000 to 25,000 m. They are best observed during civil twilight, when the Sun is between 1° and 6°
Antarctic stratospheric cloud (nacreous clouds)
First documented appearance of a polar stratospheric cloud over Switzerland and Italy, seen from Brissago, Ticino, Switzerland on 22 December 2023
Polar stratospheric clouds over Western Norway
Polar stratospheric cloud in Elverum, Norway.
Cloud
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In meteorology, a cloud is an aerosol consisting of a visible mass of miniature liquid droplets, ice crystals, or other particles, suspended in the atmosphere of a planetary body or similar space. Wat
Polar stratospheric cloud
…A polar stratospheric cloud (PSC) is a cloud that forms in the winter polar stratosphere at altitudes from 15,000 to 25,000 m (49,000 to 82,000 ft). They are best observed during civil twilight…
Cloudscape over Borneo, taken by the International Space Station
Windy evening twilight enhanced by the Sun's angle. Clouds can visually mimic a tornado resulting from orographic lift.
Cirrus fibratus clouds in March
High cirrus upper-left merging into cirrostratus right and some cirrocumulus far right