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

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

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

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

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

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

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

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