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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Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...
A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...