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

Snow that rises to 8 feet or higher.

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

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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