What is the sign of fog?

The sign of fog is the appearance of floating water vapor or water droplets in the sky. As shown in the figure below:

Fog is a weather phenomenon consisting of a large number of tiny water droplets or ice crystals suspended in the air near the ground. The weather sign of fog is three lines below the cloud.

Fog often blurs the view. When the horizontal visibility is less than 1 km, it is called fog. When it is greater than 1km and less than 10km, it is called light fog. The cause of fog is mainly caused by the cooling and humidification of the air layer near the ground. According to the different degrees and forms of cooling and humidification, fog is generally divided into radiation fog, advection fog fog, evaporation fog, uphill fog and frontal fog fog.

Window defogging button:

The shape symbol on the surface of the window defogging button indicates the defogging and defrosting of the front window, and the rectangular frame symbol indicates the defogging and defrosting of the rear window.

When there is fog on the car glass, just press the defogging button on the front window to slowly remove the fog from the glass. If the wind speed is adjusted to the maximum, then the air conditioner switch is turned on and the temperature is adjusted to the minimum, the fog on the glass will be removed in less than one minute. If it is an automatic air conditioner, just press the defrost button.