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

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

Snow that rises to 8 feet or higher.

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.