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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

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

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

Ice forms on the surface of highways in a very thin layer that is difficult to distinguish from the color of the asphalt...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

An instrument for measuring atmospheric pressure.

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

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.