Dark blue cloudy sky

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

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

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

Particles such as pollen, grass seeds, or dust in the air that cause allergies and are transported by winds.

An elongated area of relatively low atmospheric pressure, often associated with unsettled weather conditions like storms...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Local winds that blow from slopes to peaks as a result of the heating of the top slopes without being affected by general...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

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

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.