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

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

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

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

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

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

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...