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, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

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

A large body of air having similar horizontal temperature and moisture characteristics.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

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

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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.