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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A very cold high pressure that originates over the Arctic Ocean.
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
A cloud of irregular appearance, composed of irregular cloud fragments.
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...