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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

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

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

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

A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...

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

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

A long, narrow region in the atmosphere that transport water vapor, like a river in the sky.

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

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

A mass of very cold, dry air that mostly originates over the Arctic Ocean.