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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...