= Backdoor cold front
{wiki=Backdoor_cold_front}
A backdoor cold front is a meteorological term that describes a type of cold front that moves into an area from the east or northeast, rather than the typical west or northwest direction. This phenomenon is often associated with coastal regions, especially in the northeastern United States. The term "backdoor" implies that the cold air is intruding into a region from an unexpected direction. This can lead to a sudden drop in temperatures, especially in areas that were experiencing warmer conditions prior to the front's arrival.
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