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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 distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

A cloud of irregular appearance, composed of irregular cloud fragments.

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

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

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

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

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

The amount of radiation, heat, or light passing through or flowing from a unit area of a surface.

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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