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 storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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

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

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