Dark blue cloudy sky

What is Hail?

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

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Glossary

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

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

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

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

A weather front formed when a cold front overtakes a warm front, lifting the warm air off the ground and resulting in a mix...

An instrument used to measure the speed, force, and sometimes the direction of the wind. It can be cup or pressure tube anemometers....

The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...

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

Observation of the sky from the observer's location where there are no clouds, and there is no obstruction to visibility....