How to distinguish cold and warm fronts?

Cold and warm fronts is also the front.

The cold front is the front where the cold air mass actively moves to the warm air mass. The warm front is the front where the warm air mass actively moves to the cold air mass.

The rain area of the cold front is behind the front, and the rain area of the warm front is before the front.

The cold front is mostly array precipitation, and the warm front is mostly continuous precipitation.

Cold front: controlled by a single heating mass before crossing the border, with high temperature, low air pressure and fine weather; When crossing the border, with rainy and windy weather, the temperature drops; After crossing the border, a single cold air mass controls, the temperature drops and the air pressure rises.

Warm front: before crossing the border, a single cold air mass is controlled, with low temperature and high pressure, and the weather is fine; When crossing the border, it is stormy; After crossing the boundary, under the control of a single heating substance, the temperature rises and the air pressure drops.

When a cold front crosses the border, there will be sandstorms in spring, typhoons in summer and autumn and cold waves in winter.