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

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Snow that rises to 8 feet or higher.

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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