intense weather conditions that do not last long. A slow-moving front may pass over an area before precipitation starts. A weak cold front may not have any precipitation. An approaching cold front may have a squall line form in front of it. Winds will shift towards the south, then southwest, and barometric pressure will fall. Clouds will lower and build up; rain will start slowly but increase rapidly. As a cold front passes, skies will clear quickly and temperatures will drop. Barometric pressure will climb quickly. Winds will continue to veer towards the north and northeast. For a few days, at least, the weather will have the characteristics of a high.