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.

Glossary

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

A blizzard is a storm that lasts 3 hours or more, with persistent winds/frequent gusts of 35 mph or more along with significant...

Although it is also used for light winds, it is the general name given to the daily cyclical winds that occur mostly between...

Cloud or rain droplets containing pollutants, such as oxides of sulfur and nitrogen, to make them acidic.

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

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

The percentage of water vapor in the air relative to the maximum amount of water vapor the air can hold at a given temperature.

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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