meteorology

Cloud Condensation Nuclei (CCN)

Aerosols, Atmospheric science, Climate Science, Meteorology / , , , , , , , , ,

Microscopic particles in the atmosphere that enable the formation of cloud droplets Cloud condensation nuclei (CCN) are tiny airborne particles in the atmosphere that serve as surfaces on which water vapor condenses to form cloud droplets. Without these microscopic particles, the formation of clouds in Earth’s atmosphere would be extremely inefficient because pure water vapor […]

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Fog

Atmospheric phenomena, Climate processes, Hydrology, Meteorology, Weather hazards / , , , , , , , , ,

Fog is a meteorological phenomenon consisting of suspended water droplets or ice crystals near the Earth’s surface that reduce horizontal visibility to less than 1 kilometer (0.62 miles). It is, in physical terms, a cloud in contact with the ground. Fog forms when air becomes saturated—meaning it holds as much water vapor as it can

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