滾筒狀雲(roll Cloud)與莢狀雲
2009/11/23 23:36
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Roll Cloud at South Oliphant, Ontario - 5/27/2007
Very Strange Phenomenon in the Sky - Observed by Jimmy Hotz
from youtube
生成原因:大氣在穩定的情況下,氣流因遇山障礙在背風區產生震盪波動,如大氣濕度夠,就會在背風出產生此類滾筒狀的雲或莢狀雲。(如下圖)
















