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

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

The temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid form, leading...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

A middle cloud type within the B family in the international cloud classification. These clouds consist of water droplets...

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

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

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

A large, organized thunderstorm with a rotating updraft, often producing severe weather such as tornadoes, hail, and heavy...

A measure of how hot it feels when relative humidity is combined with the actual air temperature, often referred to as the...

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