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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...