Emergency help::: Meteorological examination questions! !

There are two possible situations, as follows

1. Gufeng: The daytime wind blows from the valley to the hillside, which is called Gufeng; At night, the wind blows from the hillside to the valley, which is called mountain wind. Mountain breeze and valley breeze are always called mountain breeze.

2. Sea-land wind: In coastal areas, as long as the weather is fine, the wind always blows from the sea to the land during the day; At night, the wind blows from land to sea. The wind blowing from the sea to the land is called sea breeze; The wind blowing from land to sea is called landwind. In meteorology, they are usually called land-sea breeze.

The root cause is: thermal cycle caused by uneven cold and hot.