Altostratus cloud
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Altostratus are middle-altitude clouds that develop horizontally and have a flat and uniform texture in the mid levels. As a middle-altitude cloud type, they can be made up of water droplets, ice crys
Altostratus radiatus cloud showing distinctive parallel bands
Sun shines dimly though the translucidus variant of altostratus clouds
Cirrostratus cloud
Altocumulus clouds
Cirrus cloud
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Cirrus is a genus of high-altitude cloud made of ice crystals. Cirrus clouds typically appear delicate and wispy with white strands. In the Earth's atmosphere, cirrus are usually formed when warm, dry
Altostratus cloud
…black body radiation emitted by the Earth back to Earth's surface, heating the Earth by around 7 °C (13 °F)—a process called the greenhouse effect. Cirrus and altostratus clouds are the top two sources of this heating effect. This combination of heating and cooling sums out to a net loss of 20 watts per…
Sky containing different types of cirrus clouds
Cirrus castellanus
Cirrus fibratus
Cirrus floccus