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 scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

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

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

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

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...