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 …

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 …

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 fog is a type …

Dec 11, 2025 · The vast blanket of low-hanging fog formed as a result of cold weather, calm winds and moist soils in California's Central Valley.

1 day 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 they're seeing is …

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.

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

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.

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 …

5 days ago · A dense, low-lying "radiation fog" is stretching 400 miles across California, creating unusual winter weather conditions for holiday drivers.