What is Arctic Air?
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
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Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...
Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.
An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....
The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...