What is Arctic Air?

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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.