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来自维基百科,自由的百科全书
副極地低壓,又稱極圈氣旋帶,位於北緯60度和南緯60度。從極地高壓帶流向低緯的氣流,在南北緯60度附近與盛行西風相遇,形成鋒面。相對暖而輕的西風氣流爬升到高空,形成副極地上升氣流。上升氣流在高空分為兩部分向相反方向流動,各自形成中緯環流和高緯環流。但是在亞歐大陸,冬季時的蒙古高壓影響強烈,副極地低壓只能保留在海洋上面。[1]該地多風暴,西方航海界有尖叫60度的說法。[2]
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