What is Trough?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.

Glossary

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

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The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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

A type of cloud consisting mostly of small particles such as ice particles.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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