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.
Glossary
The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...
Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
Snow that rises to 8 feet or higher.
A cloud of irregular appearance, composed of irregular cloud fragments.
Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...
Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...
A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...
Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
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