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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

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

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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...