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

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

Condensation pressure deficit refers to the difference between the actual vapor pressure and the saturation vapor pressure...

Jet streams are strong, fast-flowing air currents in the upper levels of the atmosphere. They form when warm air masses meet...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

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

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

A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

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

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

Bright and dark rays with changing colors and contrast in the sky. These rays become visible due to the reflection of atmospheric...