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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Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...
A very cold high pressure that originates over the Arctic Ocean.
A mass of very cold, dry air that mostly originates over the Arctic Ocean.
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.