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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The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...