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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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

An image on the weather radar that is convex to the direction of movement and resembles an arc shape, caused by mesoscale...

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

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global...

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The trapping of heat in the Earth's atmosphere due to greenhouse gases, such as carbon dioxide and methane, which allows...