What is Arctic Air?

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

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

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

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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...