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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Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
A very cold high pressure that originates over the Arctic Ocean.
Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...