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

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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