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

A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

An instrument for measuring atmospheric pressure.

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

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

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

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...