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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

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

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...