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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Occurs when centers of high pressure and/or low pressure set up over a region in such a way that they prevent other weather...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...
A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...