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

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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

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