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 clouds consist of water droplets...
A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...
A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.
A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...
Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A very cold high pressure that originates over the Arctic Ocean.
An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...