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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...