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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

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

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...