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

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 middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

The branch of science dealing with the laws of motion of air or other gases.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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