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What is Arctic High?

A very cold high pressure that originates over the Arctic Ocean.

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Glossary

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...