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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

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