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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A very cold high pressure that originates over the Arctic Ocean.

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.