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 middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

The branch of science dealing with the laws of motion of air or other gases.

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

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

A very cold high pressure that originates over the Arctic Ocean.

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