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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

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

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...