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

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

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

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