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

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

Condensation is the process by which water vapor in the air cools and changes into liquid water. This process is crucial...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...