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 term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...

The situation where there is no advection because the constant pressure surfaces and temperature surfaces in the atmosphere...

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

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

A drainage wind that flows downhill due to gravity, often associated with cold air descending from elevated regions.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

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

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

A distinct layer in a body of water where the temperature changes rapidly with depth, separating warmer surface water from...

The horizontal transport of any feature within the atmosphere due to the movement of air (wind). This includes phenomena...