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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...