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

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

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...

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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

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

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

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...

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