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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

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