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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.