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 tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...