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 very cold high pressure that originates over the Arctic Ocean.

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

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

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

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

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...