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

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

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

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