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

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

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

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

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

A cloud of irregular appearance, composed of irregular cloud fragments.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

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