Dark blue cloudy sky

What is Trough?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.

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Glossary

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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,...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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 narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...