👉 A megafog is a type of atmospheric phenomenon that occurs in the troposphere, where temperatures can reach over 100 degrees Celsius. These phenomena are characterized by thick clouds and foggy conditions, often accompanied by high pressure systems and strong winds. They occur when warm air rises above cooler areas and cools down rapidly, creating a dense layer of water vapor in the atmosphere that eventually condenses into tiny droplets or ice crystals. Megafogs can last for several days and are particularly