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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

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 measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

Temperature scale, abbreviated as °C, found by accepting the freezing point of water at one atmospheric pressure as zero...

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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