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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A middle cloud type within the B family in the international cloud classification. These are shaded clouds that can be white...
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...