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 …

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 …

Fog forms when the temperature and dew point of the air approach the same value (i.e., dew-point spread is less than 5°F) either through cooling of the air (producing advection, radiation, …

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.

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.

Dec 17, 2025 · California’s ‘Twilight Zone’ of Endless Fog Is Finally Clearing An unrelenting gloom has blanketed much of the state’s Central Valley since late November.

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 …

Types of Fog: There are several types of fog, including radiation fog, advection fog, evaporation fog, and upslope fog, each formed under different environmental conditions.

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

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