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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

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

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...