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

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

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

A large body of air having similar horizontal temperature and moisture characteristics.

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

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