Characteristics of passing cold front

When a cold front passes, weather conditions such as wind and rain often occur. After the cold front passes, the cold air mass controls the area, and the weather becomes sunny and sunny. Before the cold front, the wind usually blows from the southeast or from the south to the southwest. , the air pressure decreases, the humidity increases, and the temperature is higher; when the cold front is affected, the wind direction turns northerly, the air pressure gradually increases, the humidity decreases, the temperature drops, and precipitation usually occurs; after the cold front, the cold air gradually occupies the area originally controlled by warm air , the temperature drops, the air pressure rises, and the weather becomes sunny and sunny.