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 thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

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

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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