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 expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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