What Kind of Cloudy Is It?

Clouds are little drops of water or ice hanging in the atmosphere. A ceilometer measures the height of clouds.

CloudDescriptive NameHeightDescription
CirrusMare's tails4 miles +thin, feathery
CirrocumulusMackerel sky4 miles +small patches of white
CirrostratusBedsheet clouds4 miles +thin, white sheets
Stratus*High fogs0-1 milelow, gray blanket
CumulusCauliflowers1/4-4 milesflat-bottomed, white puffy
Cumulonimbus*Thunderheads1/4-4 milesmountains of heavy, dark clouds
*Indicates rain or snow clouds


Ultraviolet Index: What You Need to KnowWeatherThunderstorms


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