An occluded front is a composite of two frontal systems that merge as a result of occlusion
. Cold fronts generally move faster than warm fronts. In fact, the speed of a cold front is about double that of a typical warm front. As a result, a cold front will sometimes overtake an existing warm front. Essentially, an occluded front forms as three air masses meet.
There are two types of occluded fronts
Cold air occluded fronts are more common than warm occluded fronts.
Also Known As: occlusions, occluded frontal boundary