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 amount of water vapor present in the air, which can affect comfort levels and weather conditions.

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

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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

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

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....