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 formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...