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 jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...
The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.
An instrument for measuring atmospheric pressure.
Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...
A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.
The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....
Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.
The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...