A report on Fog
Visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface.
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Water vapor
6 linksGaseous phase of water.
Gaseous phase of water.
Fog and clouds form through condensation around cloud condensation nuclei.
Precipitation
4 linksAny product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds.
Any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds.
Thus, fog and mist are not precipitation but colloids, because the water vapor does not condense sufficiently to precipitate.
Cloud
4 linksAerosol consisting of a visible mass of miniature liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space.
Aerosol consisting of a visible mass of miniature liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space.
Conductive, radiational, and evaporative cooling require no lifting mechanism and can cause condensation at surface level resulting in the formation of fog.
Dew point
3 linksTemperature to which air must be cooled to become saturated with water vapor, assuming constant air pressure and water content.
Temperature to which air must be cooled to become saturated with water vapor, assuming constant air pressure and water content.
In the air, the condensed water is called either fog or a cloud, depending on its altitude when it forms.
Haze
2 linksTraditionally an atmospheric phenomenon in which dust, smoke, and other dry particulates suspended in air obscure visibility and the clarity of the sky.
Traditionally an atmospheric phenomenon in which dust, smoke, and other dry particulates suspended in air obscure visibility and the clarity of the sky.
The World Meteorological Organization manual of codes includes a classification of particulates causing horizontal obscuration into categories of fog, ice fog, steam fog, mist, haze, smoke, volcanic ash, dust, sand, and snow.
Tule fog
2 links
Tule fog is a thick ground fog that settles in the San Joaquin Valley and Sacramento Valley areas of California's Central Valley.
Stratus cloud
2 linksStratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds that are formed by rising thermals.
Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds that are formed by rising thermals.
These clouds are essentially above-ground fog formed either through the lifting of morning fog or through cold air moving at low altitudes over a region.
Humidity
3 linksConcentration of water vapor present in the air.
Concentration of water vapor present in the air.
Humidity indicates the likelihood for precipitation, dew, or fog to be present.
San Francisco fog
2 linksCommon weather phenomenon in the San Francisco Bay Area as well as along the entire coastline of California extending south to the northwest coast of the Baja California Peninsula.
Common weather phenomenon in the San Francisco Bay Area as well as along the entire coastline of California extending south to the northwest coast of the Baja California Peninsula.
The frequency of fog and low-lying stratus clouds is due to a combination of factors particular to the region that are especially prevalent in the summer.
Visibility
2 linksMeasure of the distance at which an object or light can be clearly discerned.
Measure of the distance at which an object or light can be clearly discerned.
Fog and smoke can reduce visibility to near zero, making driving extremely dangerous.