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

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

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

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

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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