Dark blue cloudy sky

What is Arctic High?

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

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Glossary

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

A large body of air having similar horizontal temperature and moisture characteristics.

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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