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What is Precipitation?

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.

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Glossary

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

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

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

Weather is the day-to-day meteorological conditions that happen in our atmosphere. Weather can change within minutes, which...

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

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

The narrow region between 35-40 ° N and S latitudes in the Northern and Southern Hemispheres, lying between the tropical...

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

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