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

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

The branch of science dealing with the laws of motion of air or other gases.

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

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

A measurement determined by the wave lengths and sea conditions caused by the effect of wind, and by the movement of tree...

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

A condition in which the stratification of the atmosphere depends on both air temperature and pressure, and where surfaces...

The measure of the water vapor or moisture content in the air, expressed as the mass of water vapor per unit volume of air....