Dark blue cloudy sky

What is Orographic Lift?

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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Glossary

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

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

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

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

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

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

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...