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 branch of science dealing with the laws of motion of air or other gases.
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
A weather system refers to the movement of warm and cold air across the globe, usually in a recurring pattern. Systems can...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.
The amount of water vapor present in the air, which can affect comfort levels and weather conditions.
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.
A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

