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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

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

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

Coastal flooding occurs when water from the ocean, sea, or large lakes inundates land areas along the coast, usually due...

An instrument for measuring atmospheric pressure.