Dark blue cloudy sky

What is Atmospheric River?

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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Glossary

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

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

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...