Jisho

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おんたいていあつ 温帯低気圧
Noun
1. extratropical cyclone
Wikipedia definition
2. Extratropical cycloneExtratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are a group of cyclones defined as synoptic scale low pressure weather systems that occur in the middle latitudes of the Earth having neither tropical nor polar characteristics, and are connected with fronts and horizontal gradients in temperature and dew point otherwise known as "baroclinic zones".
Read “Extratropical cyclone” on English Wikipedia
Read “温帯低気圧” on Japanese Wikipedia
Read “Extratropical cyclone” on DBpedia

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