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 expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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