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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

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