51.1 MB (3.3 MB compressed)
4658 x 3832 pixels
39.4 x 32.5 cm ⏐ 15.5 x 12.8 in (300dpi)
COLIN CUTHBERT / SCIENCE PHOTO LIBRARY COLIN CUTHBERT / SCIENCE PHOTO LIBRARY
Cirrus clouds are found at high altitudes, typically above 5000 metres. They consist of tiny ice crystals, which are blown by the wind into characteristically wispy shapes. A bank of cirrus clouds may indicate an approaching weather front.
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