Dark blue cloudy sky

What is Ceiling?

The lowest level of a given cloud or cloud layer in the atmosphere, relative to the observer's position above the ground.

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Glossary

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

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

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

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

The upward movement of air caused by a topographic barrier, such as a mountain, which can lead to cloud formation and precipitation.

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

A narrow band of strong winds in the upper atmosphere, typically flowing from west to east and influencing weather patterns.

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.