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What is La Niña?

A periodic cooling of sea surface temperatures in the central and eastern Pacific Ocean, often leading to altered global weather patterns such as reduced rainfall in some areas and increased rainfall in others.

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Glossary

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Air laden with sand and dust, common in areas devoid of permanent vegetation, especially deserts.

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

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

Snow that rises to 8 feet or higher.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.