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 low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

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

Convection is the vertical movement of air caused by temperature differences, where warm air rises and cool air sinks. It...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.