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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Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
A very cold high pressure that originates over the Arctic Ocean.
A scale for estimating wind speed based on observed conditions of the sea or land. It ranges from 0 (calm) to 12 (hurricane)...
The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...
Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...
A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.