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

Weather conditions are the components that comprise the state of the atmosphere. The six main weather conditions are temperature,...

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

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....

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

A cold core low is a low-pressure system where the coldest temperatures are found near the center. These systems are often...

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

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

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...