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

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

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

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

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

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

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