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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 small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

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

Thermodynamic changes occurring within a system without any exchange of heat with the surroundings. In the atmosphere, changes...

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

Indicates the amount of water the soil can absorb/retain through percolation. This capacity is around 7% in sandy soil and...

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

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...