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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

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

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

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

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

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