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

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...