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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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