Dark blue cloudy sky

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 small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...