What is Trough?

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms and rain.

Glossary

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

A type of cloud consisting mostly of small particles such as ice particles.

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 mass of very cold, dry air that mostly originates over the Arctic Ocean.

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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