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 sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...