Dark blue cloudy sky

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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Glossary

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A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...