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 distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

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

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...