Frost

Informations about "frost" in news+stories

Climatic condition, particularly in the natural environment, which primarily affects living organisms, water and soil, at a temperature below 0 °Celsius (32 °Fahrenheit). The air temperature is measured at a height of 1.25 metres above the ground, where temperatures are always slightly higher than on the ground. In meteorology, frost at ground level is referred to as ground frost. A distinction is made between radiation frost and adjective frost .

Radiation frost & adjective frost

Radiation frost occurs on dry, clear nights with no wind, when the heat radiated from the ground or plant tissue escapes unhindered into the atmosphere due to the absence of clouds, fog or haze. The coldest (and heaviest) air sinks to the ground and collects on the surface, preferably in low-lying depressions. The adjective (meaning "added") frost is caused by the inflow of already cooled air from other places. This can come from very distant areas such as a long valley.

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Frost

Radiation frost & adjective frost

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