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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...