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 measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...