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 percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.
A very cold high pressure that originates over the Arctic Ocean.
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
The branch of science dealing with the laws of motion of air or other gases.
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...