front

A meteorological boundary where a cooler air mass is actively replacing a warmer air mass at the surface is referred to as a cold front. This atmospheric phenomenon is characterized by a steep temperature gradient across the frontal zone. An example of this occurs when a high-pressure system pushes southward, displacing warmer, less dense air ahead of it. The denser, colder air wedges under the warmer air, often resulting in significant weather changes.

The understanding of these weather systems is critical for accurate weather forecasting and prediction. Knowledge of their behavior allows meteorologists to anticipate temperature drops, precipitation patterns, and potential severe weather events. Historically, recognizing the patterns associated with these boundaries has been crucial for agriculture, transportation, and public safety, allowing for informed decision-making based on predicted weather conditions.