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 occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

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

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

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

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...