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

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

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

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...