弧状云 Arcus cloud

弧状云(arcus cloud),是一种罕见的云层。通常会形成于冷锋之前缘,一旦寒冷的气流扩展开来,会推升前方的暖空气,气流有时会沿着水平轴方向流动。弧状云又可分为卷轴云(Roll clouds)和滩云(Shelf clouds)。滩云有时会造成龙卷风。
单词 | Shelf cloud |
释义 |
Shelf cloud
中文百科
弧状云 Arcus cloud![]() 弧状云(arcus cloud),是一种罕见的云层。通常会形成于冷锋之前缘,一旦寒冷的气流扩展开来,会推升前方的暖空气,气流有时会沿着水平轴方向流动。弧状云又可分为卷轴云(Roll clouds)和滩云(Shelf clouds)。滩云有时会造成龙卷风。
英语百科
Arcus cloud 弧状云(重定向自Shelf cloud)
![]() ![]() ![]() ![]() An arcus cloud is a low, horizontal cloud formation. Roll clouds and shelf clouds are the two types of arcus clouds. A shelf cloud is usually associated with the leading edge of thunderstorm outflow; roll clouds are usually formed by outflows of cold air from sea breezes or cold fronts in the absence of thunderstorms. |
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