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  1. Fog - Wikipedia

    Fog is a visible aerosol consisting of tiny water droplets or ice crystals held in the air near the Earth 's surface. [1][2] Fog can be considered a type of low-lying cloud usually resembling …

  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 …

  3. How Fog Forms - National Weather Service

    Radiation fog varies in depth from 3 feet to about 1,000 feet and usually remains stationary. This type of fog can reduce visibility to near zero at times and make driving very hazardous. Valley …

  4. 6 Different Types of Fog - Farmers' Almanac

    Sep 30, 2025 · Who knew that there were so many different types of fog, each forming under different conditions? Learn about them here!

  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. Social media users in the Central Valley are freaking out about …

    2 days ago · Social posts show people questioning flecks and specks in the Central Valley fog. They say it's more gelatinous than liquid, and something may be afoot. Researchers say what …

  7. 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 …

  8. 25 Facts About Fog

    Jan 19, 2025 · Fog is one of nature's most mysterious and captivating phenomena. But what exactly is fog? Fog is essentially a cloud that touches the ground. It forms when the air near …

  9. FOG Definition & Meaning - Merriam-Webster

    The meaning of FOG is vapor condensed to fine particles of water suspended in the lower atmosphere that differs from cloud only in being near the ground. How to use fog in a sentence.

  10. 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 …