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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

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

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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

A weather watch means there is a risk of weather hazards in the near future, which could pose a threat to life/property....

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

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.