1. Cirrus uncinus cloudCirrus uncinus is a type of cirrus cloud. The name cirrus uncinus is derived from Latin, meaning "curly hooks". Also known as mares' tails, these clouds are generally sparse in the sky, and very thin. The clouds occur at very high altitudes, at a temperature of about −50 to −40 °C (−58 to −40 °F). They are generally seen when a warm or occluded front is approaching. They are very high in the troposphere and generally mean that precipitation, usually rain, is approaching.
Read “Cirrus uncinus cloud” on English Wikipedia
Read “鉤状雲” on Japanese Wikipedia
Read “Cirrus uncinus cloud” on DBpedia
Read “Cirrus uncinus cloud” on English Wikipedia
Read “鉤状雲” on Japanese Wikipedia
Read “Cirrus uncinus cloud” on DBpedia
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