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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 …

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

    Sep 23, 2025 · 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 …

  3. How Fog Forms - National Weather Service

    This type of fog forms when sufficient water vapor is added to the air by evaporation and the moist air mixes with cooler, relatively drier air. The two common types are steam fog and frontal fog.

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

    Oct 19, 2024 · Fog is a meteorological phenomenon where a cloud forms at ground level, reducing visibility to less than 1 kilometer (0.62 miles). It consists of tiny water droplets or ice …

  5. What is the difference between mist, fog and haze? - Met Office

    Fog is when you can see less than 1,000 metres away, and if you can see further than 1,000 metres, we call it mist. In our meteorological glossary fog is defined as 'obscurity in the surface...

  6. 24 Facts About Fog - OhMyFacts

    Jun 17, 2025 · Fog is a thick cloud of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface, reducing visibility. It forms when the air near the ground cools …

  7. 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 …

  8. Fog: What is and how is it formed - Evidence Network

    The fog is a Meteorological phenomenon consisting of suspension of tiny water drops in the air, very close to the earth’s surface. These tiny water particles are scattered in the atmosphere, …

  9. What is fog and how is it formed? - Extended Forecast

    Jul 8, 2025 · Fog, as a generic term, refers to any suspension of small droplets in a gas. In the case of the atmosphere, these droplets are water and are suspended in the air near or at …

  10. Fog: Cause, Conditions, and Types - Science Facts

    Fog is a weather condition that occurs in a variety of settings for a number of reasons. But the basics of fog are the same throughout these varied categories: fog is simply droplets of water …