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 lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

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

A type of cloud consisting mostly of small particles such as ice particles.

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.