Dark blue cloudy sky

What is Dew Point?

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading to the formation of dew.

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Glossary

Meteorology is the scientific study of the atmosphere and weather processes. It involves observing, analyzing, and forecasting...

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

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

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

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

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

Nor'easter is a meteorological event commonly observed in the Northeastern United States and typically occurs during the...

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

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...