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【我不是龙卷风】

今天11:30左右福州中庚城2期的公园工地拍摄到的尘卷风。尘卷风是由于地面局部增热不均匀而形成的一种特殊的旋转对流运动。在尘卷风形成的过程中,外围空气通过贴近地面的薄层被地面加热后流向中心部位,外围空气的旋转能量在中心部位得到加强形成尘卷风。可以把尘土和一些轻小物体卷扬到空中,形成一个小尘柱,其直径在几米左右,持续时间只有几分钟,范围通常很小,破坏力有限。


来源:新浪微博
编辑:范晓婕  责编:郑雪峰

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福州出现尘卷风,什么是尘卷风?

2018-08-08 21:06   福视悦动  

【我不是龙卷风】

今天11:30左右福州中庚城2期的公园工地拍摄到的尘卷风。尘卷风是由于地面局部增热不均匀而形成的一种特殊的旋转对流运动。在尘卷风形成的过程中,外围空气通过贴近地面的薄层被地面加热后流向中心部位,外围空气的旋转能量在中心部位得到加强形成尘卷风。可以把尘土和一些轻小物体卷扬到空中,形成一个小尘柱,其直径在几米左右,持续时间只有几分钟,范围通常很小,破坏力有限。


来源:新浪微博
编辑:范晓婕  责编:郑雪峰

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