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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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