What is Clear?
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility. Clear sky. In meteorology, this term is also used when the cloud cover is less than 1/8 during the day or at the observation hour.
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The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.
The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...