What is Arctic Air?

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

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

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...

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...