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

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

A line on a weather map connecting points of equal atmospheric pressure, used to identify high and low-pressure systems.

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

An anvil is a cloud mostly composed of ice particles. Otherwise known as a cumulonimbus cloud, an anvil has reached the stratospheric...

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

A large body of air having similar horizontal temperature and moisture characteristics.

An instrument for measuring atmospheric pressure.

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