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

The scientific study of climate, focusing on the analysis of long-term weather patterns and trends over time.

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

A thin, white cloud layer that is intertwined or separate, arranged in regular order, and does not cast a shadow.

A polar vortex is a circulating mass of air in the atmosphere, typically found in polar regions. This rotating air mass occurs...

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

A very cold high pressure that originates over the Arctic Ocean.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...

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

The belt between 50-70 ° N and S latitudes in the Northern and Southern Hemispheres, adjacent to the Polar Region. Although...