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 distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

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

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

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

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

The expected rate of temperature decrease in an adiabatically rising air parcel when there is no heat exchange with the environment....

A cold front is the leading edge of a cold air mass that replaces a warmer air mass. It is typically associated with sudden...

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

A sudden and rapid flow of snow masses accumulated on the slopes of mountainous areas under the influence of gravity or a...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...