Arab Weather - Fog is an air phenomenon that results from the difference in temperatures, calm winds, and high humidity in the air, and although the UAE is characterized by hot weather, many cities witness the formation of dense fog at some times of the year, especially in the early morning, and from the beginning This year, the phenomenon of fog has become common in many cities of the Emirates, especially Dubai, so what are the causes of this fog?
During the day, the sun heats the surface of the earth, so the air close to it heats up and thus we feel the heat of the day, but at night and after the sun is gone, the earth gradually loses the heat it has gained from the sun during the daylight hours, until the temperature reaches its lowest value in the early morning before sunrise Directly, when the temperature decreases and the air near the ground cools, the water vapor in it condenses into small liquid water droplets that remain suspended in the air, and they appear in the form of fog , and this is what is smelled by radiation fog , which is common in the Emirates.
Northwest air currents coming from the sea and saturated with moisture.
The wind will be still at night, and this helps keep water droplets suspended in the air.
As soon as the sun rises, the air heats up again, and the fog slowly disappears, as the tiny water droplets evaporate and return as water vapor. Wind movement can dissipate fog .