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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

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

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

An instrument for measuring atmospheric pressure.

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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