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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

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

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...