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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

An instrument for measuring atmospheric pressure.