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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...