Dark blue cloudy sky

What is Ball Lightning?

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety of colors, from blue to orange to yellow, and is sometimes accompanied by a hissing sound and an acrid odor.

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Glossary

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

Confluence refers to the area where two or more air streams or bodies of water meet and combine. In meteorology, it often...

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

A fixed potential temperature line on adiabats, or the process of thermodynamic changes within a system without any exchange...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

An instrument for measuring atmospheric pressure.

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

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