What happens to atmospheric pressure as a cold front passes?

As a cold front passes, atmospheric pressure typically behaves in a specific manner. Initially, as the front approaches, pressure may begin to drop due to the influx of warmer, less dense air that is being displaced. However, once the cold front moves through, the colder and denser air replaces the warmer air at the surface. This transition can cause the atmospheric pressure to stop falling and often results in a rise in pressure following the front's passage.

This behavior is associated with the dynamics of weather systems, where cooler air can lead to clearer skies and more stable atmospheric conditions after the cold front has cleared. The rise in pressure after the front contributes to the stabilization of the atmosphere and is often observable in weather patterns post-front.

The other options do not accurately capture this phenomenon, as they either suggest an uninterrupted decline in pressure or indicate that there is no relationship between cold fronts and pressure changes.