Dark blue cloudy sky

What is Arctic Air?

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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Glossary

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.