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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

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