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...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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