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Gray day? Types of clouds

Word List with 13 words
By Dictionary.com

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Words in This List

noctilucent

High-altitude clouds that are visible during the short night of the summer.

troposphere

the lowest layer of the atmosphere within which nearly all cloud formations occur and weather conditions manifest themselves.

cirrus

a cloud of a class characterized by thin white filaments or narrow bands and a composition of ice crystals: of high altitude, about 20,000

cumulus

a cloud characterized by dense individual elements in the form of puffs, mounds, or towers, with flat bases and tops that often resemble cauliflower.

nacreous

a rarely seen, luminous, iridescent cloud.

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cirrocumulus

a cloud characterized by thin, white patches, each of which is composed of very small granules or ripples.

cirrostratus

a cloud characterized a halo phenomena and appearing as a whitish and usually somewhat fibrous veil, often covering the whole sky and sometimes so thin as to be hardly discernible.

altocumulus

a cloud characterized by globular masses or rolls in layers or patches.

stratus

a cloud of a class characterized by a gray, horizontal layer with a uniform base, found at a lower altitude than altostratus usually below 8000 feet (2400 meters).

stratocumulus

a cloud of a class 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 altitude, usually below 8000 feet (2400 meters).

nimbostratus

a cloud characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type.

cumulonimbus

a cloud indicative of thunderstorm conditions, characterized by large, dense towers or more, cumuliform except for their tops.

altostratus

a cloud characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus.