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

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

A prefix used in cloud nomenclature to describe middle-altitude clouds that form between 6,500 and 20,000 feet, such as altostratus...

CONQ is a meteorological abbreviation for significant convection observed in a specific area, often indicating unstable atmospheric...

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

An instrument that continuously records atmospheric pressure over time. It uses a barometer to measure pressure and creates...

An instrument for measuring atmospheric pressure.

A tropical cyclone, also called a hurricane, is a severe tropical storm with wind speeds in excess of 74 mph. Known as a...

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

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

A cold core high is a high-pressure system with cold air at its center. These systems are typically associated with clear...