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 line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

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

Snow that rises to 8 feet or higher.

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

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