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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

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

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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