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 …

5 days ago · Dense fog has caused a massive crash scene on a California highway involving more than 50 cars, according to officials.

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 …

4 hours ago · Dense tule fog forms on clear, calm nights when the ground loses heat rapidly. And forecasters warn that the danger will continue for several days.

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.

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.

5 days ago · Dense tule fog has gripped the Central Valley, cutting visibility on I‑5 and Highways 80 and 99. Where it's worst, driving safety tips, and when it may lift.

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

Aug 28, 2025 · Fog is a common atmospheric phenomenon, often described as a cloud that forms at ground level. It appears as a dense, opaque layer that can significantly obscure vision.

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 …