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.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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