Traditional Culture Encyclopedia - Weather forecast - Why does the weather keep changing?
Why does the weather keep changing?
Meteorology and Climatology (Third Edition) Author: Zhou Shuzhen Answer 2 Weather is the change of atmospheric physical conditions in a short time, and the main factors affecting the weather are air masses and fronts. 1) air mass: it can be divided into warm air mass and cold air mass. When controlled by a single air mass, the weather is monotonous and often sunny. When the air mass in a place is replaced by a new air mass, the weather will change. 2) Front: the interface between cold and warm air masses. When the cold air mass moves to the warm side, it is a cold front; On the contrary, when the warm air mass moves to the cold side, it is a warm front. Frontal transit areas are often accompanied by temperature changes, rain and snow, strong winds or sandstorms. 3) Cyclone and anticyclone: Cyclone is accompanied by low pressure, showing rainy weather; The anticyclone is accompanied by high air pressure, indicating that the weather is fine. The position of a place in cyclone and anticyclone determines the wind direction of this place.
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