The principle of summer fog and subsequent weather

The temperature is higher during the day, so the air can hold more water vapor. But at night, the temperature drops and the capacity of water vapor in the air decreases, so some water vapor condenses into fog. In summer, the ground loses heat quickly, which makes the ground temperature drop sharply, so that the water vapor in the air near the ground can easily reach saturation in the middle of the night and condense into small water droplets to form fog.

Although the specific heat of desert is smaller than that of lake, and the heat dissipation is faster, from the amount of water vapor, lakes are more prone to fogging.

Folk ballads say: spring fog, summer fog, autumn fog, winter fog and snow.

The summer fog may be due to the cloudless sky in Wan Li and the weak atmospheric inverse radiation, which leads to the rapid heat dissipation on the ground, so it is likely to be sunny the next day.

The atmosphere absorbs long-wave radiation from the ground and radiates energy in the form of radiation. The way the atmosphere radiates energy outward is called atmospheric radiation.

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