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.
Glossary
A low-pressure area with converging winds, rotating counterclockwise in the Northern Hemisphere and clockwise in the Southern...
A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...
A thick cloud of tiny water droplets suspended in the atmosphere near the Earth's surface, significantly reducing visibility.
A thermodynamic change process in the system without any exchange of heat or transfer of energy between systems. This process...
A rapidly rotating column of air extending from a thunderstorm to the ground, capable of causing significant damage.
A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...
The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...
Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...
The decrease in temperature with height in an adiabatically rising air parcel (lapse rate). For dry air, this value is 1...
The term used for semi-stationary high-pressure centers such as the Azores and North Pacific Highs, which occur in the narrow...
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