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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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Glossary

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

The branch of science dealing with the laws of motion of air or other gases.

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...