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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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 drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

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

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