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 …

5 days ago · California's Central Valley is no stranger to the phenomenon known as tule fog, but a blend of perfect conditions has allowed this particular event to last for over three weeks.

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.

Dec 3, 2025 · Florida averages more than 100 issuances of fog alerts every year, with many events occurring during December, January, February and March. Beyond temperatures and moisture, …

3 days ago · 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.

Dec 11, 2025 · The right combination of conditions allowed this distinctive low cloud to form in California’s Central Valley for weeks.

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.

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 …