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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 stratus and is …

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

    Fog, cloud of small water droplets that is near ground level and sufficiently dense to reduce horizontal visibility to less than 1,000 metres (3,281 feet). The word fog also may refer to clouds of smoke …

  3. 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.

  4. Satellite image reveals 400-mile-long "radiation fog" over California

    5 days ago · The vast blanket of low-hanging fog formed as a result of cold weather, calm winds and moist soils in California's Central Valley.

  5. What to know about claims of California 'radiation fog'

    4 days ago · What to know about claims of California 'radiation fog' The massive blanket of fog wasn't filled with radioactive material, as some claimed.

  6. 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.

  7. 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.

  8. 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 ground level, as a …

  9. ´Tis the season... for fog, the science behind it

    19 hours ago · Fog occurs naturally in the atmosphere, and several sciences explain its formation. In Florida, fog can form at any time of year if the right atmospheric conditions are present. However, it …

  10. 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 the surface cools …