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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

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

Weather intelligence is technology that provides predictive and actionable insights, allowing businesses to adapt to weather-related...

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

A deviation from the normal or expected value in atmospheric or climatic conditions, often used in meteorology to identify...

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.

Snow that rises to 8 feet or higher.