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

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

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

A type of cloud consisting mostly of small particles such as ice particles.

A mass of very cold, dry air that mostly originates over the Arctic Ocean.

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

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...

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

A cloud of irregular appearance, composed of irregular cloud fragments.