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 term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

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

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

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A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...