Dark blue cloudy sky

What is Lightning?

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

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Glossary

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

A periodic warming of sea surface temperatures in the central and eastern Pacific Ocean, significantly influencing global...

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

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

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

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

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

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

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