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 blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

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

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

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