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 type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.