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 strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A type of cloud consisting mostly of small particles such as ice particles.

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

An instrument for measuring atmospheric pressure.

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...