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

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....