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 term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
A large body of air having similar horizontal temperature and moisture characteristics.
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Snow that rises to 8 feet or higher.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...