Which effect occurs when air masses move poleward from subtropical high-pressure zones, deflected by the Coriolis force?

💡 Explanation

When air masses move poleward from subtropical highs, the Coriolis force deflects them eastward because it causes moving objects to curve relative to the Earth's rotating surface, producing prevailing westerlies in the mid-latitudes. Therefore, prevailing westerlies develop, rather than trade winds, polar easterlies, or intensified cyclone rotation, which involve different pressure gradients and locations.

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