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  1. Fog - Wikipedia

    In turn, fog affects many human activities, such as shipping, travel, and warfare. Fog appears when water vapor (water in its gaseous form) condenses. During condensation, molecules of water vapor …

  2. Fog | Definition, Formation, Types, & Facts | Britannica

    Fog is a cloud of small water droplets near ground level. It is formed by the condensation of water vapor on tiny particles that are always present in natural air; this occurs when the air becomes saturated …

  3. 6 Different Types of Fog - Farmers' Almanac

    Sep 30, 2025 · While ground fog is caused by cool, moist air rising from the ground, advection fog forms when warm, damp air flows over cold ground. You can distinguish between ground fog and advection …

  4. How Fog Forms - National Weather Service

    Steam fog forms when cold air moves over warm water. When the cool air mixes with the warm moist air over the water, the moist air cools until its humidity reaches 100% and fog forms.

  5. Fog - Definition, Types, Formation - Science Notes and Projects

    Oct 19, 2024 · Learn about fog in meteorology. Discover the definition, how and why fog forms, the different types, and how it differs from other phenomena.

  6. What is Fog? - Earth Networks

    Fog is a visible aerosol comprising tiny water droplets or ice crystals suspended in the air at or near the Earth’s surface. Nearby bodies of water, topography, and weather conditions are three factors that …

  7. Mist and fog what's the difference? - BBC Weather

    4 days ago · Murky start to the morning, how do you know if you are heading out into mist or fog? Helen Willetts explains how to tell.

  8. The strange science of how fog forms - BBC Science Focus Magazine

    Jan 16, 2025 · Fog is made up of molecules of water vapour, suspended in the air as tiny droplets of water but lingering close to the surface. Essentially, fog is just cloud that touches Earth’s surface and …

  9. Fog is Becoming More Prevalent in the Winter Months, But How

    Nov 2, 2023 · Fog is a diverse meteorological phenomenon, with several distinct types arising from specific conditions and geographical locations. Let's explore each of these fog types in detail:

  10. Fog - Simple English Wikipedia, the free encyclopedia

    These water droplets make up the fog or mist. There are many types of fog, classified according to what makes the condensation. They include evaporation fog, advection fog, radiation fog, and upslope …