During the spring, on a warm, sunny day in Boston, Massachusetts, the wind shifts from southwesterly to northeasterly and the weather turns cold, damp, and overcast. This suggests that a "back-door" cold front approached Boston from the ____.
A)southeast
B)southwest
C)northeast
D)west
E)northwest

Question

Quizplus · Accepted Answer

A "back-door" cold front is a meteorological term for a cold front that moves in from the northeast or east, opposite the more common direction of cold fronts in the United States. In this scenario, the wind shift and weather change in Boston are indicative of a back-door cold front coming from the northeast.

During the Spring, on a Warm, Sunny Day in Boston