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.

Glossary

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

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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

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