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

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...

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

A continental air mass is a large body of air that forms over land, characterized by dry conditions due to the lack of moisture...

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

Snow that rises to 8 feet or higher.

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.

A cloud of irregular appearance, composed of irregular cloud fragments.

The formation of ice crystals on surfaces when the temperature drops below freezing, typically overnight, causing potential...