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

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

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

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

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