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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...

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

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