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

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

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

An instrument for measuring atmospheric pressure.

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

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