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 very cold high pressure that originates over the Arctic Ocean.

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...