Dark blue cloudy sky

What is Alto?

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus and altocumulus. These clouds are often associated with changing weather patterns.

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Glossary

An instrument for measuring atmospheric pressure.

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...