1. cirrostratus; cirrostratus cloud
Wikipedia definition
2. Cirrostratus cloudCirrostratus  /ˌsɪroʊˈstrɑːtəs/ clouds are thin, generally uniform clouds, composed of ice-crystals. They are difficult to detect and if capable of forming halos the cloud takes the form of thin cirrostratus nebulosus. The cloud has a fibrous texture with no halos if it is thicker cirrostratus fibratus. On the approach of a frontal system, the cirrostratus often begins as nebulosus and turns to fibratus. If the cirrostratus begins as fragmented fibratus it often means the front is weak.
Read “Cirrostratus cloud” on English Wikipedia
Read “巻層雲” on Japanese Wikipedia
Read “Cirrostratus cloud” on DBpedia
Other forms
巻層雲 【けんそううん】


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