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

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

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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