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 …

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.

6 days ago · Fog is a meteorological phenomenon consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth’s surface. It is essentially a cloud that reduces …

6 days ago · COLUMBUS, Ga. (WRBL) — Fog is one of nature’s most subtle phenomena. It sits low to the ground and can cause travel issues, but what exactly is it? Fog is a cloud that forms …

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 …

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

Latest Global Fog Forecast and Detection System. Updates every 5 minutes showing where and when Fog is expected

Dec 6, 2025 · A dense fog advisory is issued by your local National Weather Service office when widespread dense fog develops. When this happens, visibilities frequently drop to one-quarter …