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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 sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

The term 'cloudy' refers to weather conditions characterized by a significant amount of cloud cover in the sky. This may...

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

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.