What is Acid Rain?
Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.
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A cloud of irregular appearance, composed of irregular cloud fragments.
A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...
A very cold high pressure that originates over the Arctic Ocean.
The process by which a solid changes directly into a gas without first becoming a liquid, such as ice turning into water...
A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...
The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...
The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.
Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....
A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...
Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.