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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

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

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...