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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

A body that has the property of absorbing all electromagnetic radiation falling on it, and therefore is the theoretical body...

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

A large body of air having similar horizontal temperature and moisture characteristics.

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.