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 thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

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

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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...