Dark blue cloudy sky

What is Mesocyclone?

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with a funnel cloud or tornado cloud beneath it and detectable on Doppler radar.

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Glossary

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

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

Conduction is the transfer of heat or electricity through a material without the material itself moving. This occurs when...

The term used for turbulence occurring in the absence of clouds or cloud-like elements in the visible area. It is often observed...

Nimbostratus clouds are thick, dark, gray clouds associated with rainy and gloomy days that block the Sun. These clouds,...

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

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 mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...