Arctic front

Different air masses which affect North America, as well as other continents, tend to be separated by frontal boundaries. In this illustration, the Arctic front separates Arctic from Polar air masses, while the Polar front separates Polar air from warm air masses. (cA is continental arctic; cP is continental polar; mP is maritime polar; cT is continental tropic; and mT is maritime tropic.)

The Arctic front is the semipermanent, semi-continuous weather front between the cold arctic air mass and the warmer air of the polar cell. It can also be defined as the southern boundary of the Arctic air mass. Mesoscale cyclones known as Polar lows can form along the arctic front in the wake of extratropical cyclones. Arctic air masses in their wake are shallow with a deep layer of stable air above the shallow cold cool.

单词	Arctic front
释义	Arctic front 原声例句 PBS英语讯息 Meanwhile, an arctic cold front is heading for New England. 与此同时，一股北极冷锋正在向新英格兰移动。 CNN 10 学生英语 2022年2月合集 Squalls are also followed by a flash freeze because they're associated with Arctic fronts. 雪飑之后很快会出现冻结，因为雪飑往往与北极锋一起出现。英语百科 Arctic front The Arctic front is the semipermanent, semi-continuous weather front between the cold arctic air mass and the warmer air of the polar cell. It can also be defined as the southern boundary of the Arctic air mass. Mesoscale cyclones known as Polar lows can form along the arctic front in the wake of extratropical cyclones. Arctic air masses in their wake are shallow with a deep layer of stable air above the shallow cold cool.
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