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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.