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 line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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 sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A very cold high pressure that originates over the Arctic Ocean.

An instrument for measuring atmospheric pressure.

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.