Fog - Wikipedia
In turn, fog affects many human activities, such as shipping, travel, and warfare. Fog appears when water vapor (water in its gaseous form) condenses. During condensation, molecules of …
How Fog Forms - National Weather Service
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 | Definition, Formation, Types, & Facts | Britannica
Sep 23, 2025 · 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 …
6 Different Types of Fog - Farmers' Almanac
Sep 30, 2025 · Who knew that there were so many different types of fog, each forming under different conditions? Learn about them here!
Fog - Definition, Types, Formation - Science Notes and Projects
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.
Live Fog Radar: Real-Time Ground Visibility Map
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.
What's the Difference Between Fog and Clouds? | NESDIS ...
Clouds and fog both form when water vapor condenses or freezes to form tiny droplets or crystals in the air, but clouds can form at many different altitudes while fog only forms near the ground.