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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

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

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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