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 cloud of irregular appearance, composed of irregular cloud fragments.

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

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

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

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.