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 formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

A cloud of irregular appearance, composed of irregular cloud fragments.

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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