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 state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

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

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.