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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

A type of cloud consisting mostly of small particles such as ice particles.

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

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