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

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...