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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 periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

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

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

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

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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...