
Fog - Wikipedia
Fog is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth 's surface. [1][2] Fog can be considered a type of low-lying cloud usually resembling stratus and is heavily influenced by nearby …
Fog | Definition, Formation, Types, & Facts | Britannica
2025年3月27日 · 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 particles, ice particles, or mixtures of these components.
How Fog Forms - National Weather Service
2025年3月11日 · 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.
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.
How Does Fog Form? - Weather.com
2013年10月14日 · The most common form of fog, known as radiation fog, typically occurs on clear nights as the earth's surface cools moist air immediately above it.
6 Different Types of Fog - Farmers' Almanac
2024年1月31日 · While ground fog is caused by cool, moist air rising from the ground, advection fog forms when warm, damp air flows over cold ground. You can distinguish between ground …
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Fog Definitions - National Weather Service
Cold air, dry at the surface while rain is falling through it evaporates and causes the dew point to rise. This saturation forms fog. Advection Fog: This type of fog forms from surface contact of horizontal winds. This fog can occur with windy conditions.
Fog: Definition, Difference, Types, Formation - weathermonths.com
2024年12月9日 · Fog is a meteorological phenomenon characterized by suspended water droplets or ice crystals near the Earth’s surface. Fog forms through condensation processes in air, resulting in reduced visibility.
Fog - Definition, Types, Formation - Science Notes and Projects
2024年10月19日 · Learn about fog in meteorology. Discover the definition, how and why fog forms, the different types, and how it differs from other phenomena.