
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 water vapor …
Fog | Definition, Formation, Types, & Facts | Britannica
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 clouds of smoke …
A. Fog Types Fog is often described as a stratus cloud resting near the ground. Fog forms when the temperature and dew point of the air approach the same value (i.e., dew-point spread is less than …
An Unrelenting Tule Fog - NASA Science
3 days ago · The right combination of conditions allowed this distinctive low cloud to form in California’s Central Valley for weeks.
Satellite image reveals 400-mile-long "radiation fog" over California
2 days ago · The vast blanket of low-hanging fog formed as a result of cold weather, calm winds and moist soils in California's Central Valley.
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.
What is fog and how is it formed? - Extended Forecast
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 …
FOG Definition & Meaning - Merriam-Webster
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.
What is Fog? - Earth Networks
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 three factors that …
The strange science of how fog 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 surface and …