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Overlapping clouds (in meteorology, probably duplicatus clouds) are thought to imply eternal happiness [170] and clouds of different colors are said to indicate "multiplied blessings". [ 170 ] Informal cloud watching or cloud gazing is a popular activity involving watching the clouds and looking for shapes in them, a form of pareidolia .
Cloud decks in parallel bands of latitude at and below the tropopause alternately composed of ammonia crystals and ammonium hydrosulfate. Cirriform Bands of cloud resembling cirrus located mainly in the highest of three main layers that cover Jupiter. [28] Stratiform and stratocumuliform Wave and haze clouds that are seen mostly in the middle ...
the cloud IR emissivity, with values between 0 and 1, with a global average around 0.7; the effective cloud amount, the cloud amount weighted by the cloud IR emissivity, with a global average of 0.5; the cloud (visible) optical depth varies within a range of 4 and 10. the cloud water path for the liquid and solid (ice) phases of the cloud particles
Just below the mesopause, the air is so cold that even the very scarce water vapor at this altitude can condense into polar-mesospheric noctilucent clouds of ice particles. These are the highest clouds in the atmosphere and may be visible to the naked eye if sunlight reflects off them about an hour or two after sunset or similarly before sunrise.
Red coloured clouds are the highest, green and blue are below. Carbon dioxide and monoxide areas are absorbing infrared signatures. Venusian clouds are thick and are composed mainly (75–96%) of sulfuric acid droplets. [51] These clouds obscure the surface of Venus from optical imaging, and reflect about 75% [52] of the sunlight that falls on ...
Cirrus clouds are usually formed as warm, dry air rises, [2] causing water vapor to undergo deposition onto particles, including mostly mineral dust and metallic particles [17] [18] at high altitudes. Particles gathered by research aircraft from cirrus clouds over several locations above North America and Central America included mineral dust ...
A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer.
Jupiter's troposphere contains a complicated cloud structure. [20] The upper clouds, located in the pressure range 0.6–0.9 bar, are made of ammonia ice. [21] Below these ammonia ice clouds, denser clouds made of ammonium hydrosulfide ((NH 4)SH) or ammonium sulfide ((NH 4) 2 S, between 1–2 bar) and water (3–7 bar) are thought to exist.