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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

The branch of science dealing with the laws of motion of air or other gases.

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

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