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

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

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

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

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

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...