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

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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