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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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

An instrument for measuring atmospheric pressure.

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

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