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 mass of very cold, dry air that mostly originates over the Arctic Ocean.
A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.
A closed low, also known as a cut-off low, is a low-pressure system that is entirely isolated from the main atmospheric circulation...
The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...
The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.
A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.
A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...