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 measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...
A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...
A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.
A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...
The state of the atmosphere when it contains the maximum amount of water vapor possible at a given temperature and pressure.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.