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

Snow that rises to 8 feet or higher.

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

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

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

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.

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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