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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A very cold high pressure that originates over the Arctic Ocean.

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...