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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

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