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

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

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

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

An instrument for measuring atmospheric pressure.

The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

The names given to the winds blowing from the four cardinal directions (north, east, south, and west - N, E, S, W) on a compass.