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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

A storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere known as thunder.

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

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

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

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...